CN210234298U - Aluminum-plastic film dry laminating system with dust sticking device - Google Patents
Aluminum-plastic film dry laminating system with dust sticking device Download PDFInfo
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- CN210234298U CN210234298U CN201921192072.5U CN201921192072U CN210234298U CN 210234298 U CN210234298 U CN 210234298U CN 201921192072 U CN201921192072 U CN 201921192072U CN 210234298 U CN210234298 U CN 210234298U
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Abstract
The utility model discloses an aluminum plastic film drying system with a dust sticking device, which comprises a first unreeling mechanism, a gluing mechanism, a second unreeling mechanism and a drying mechanism, wherein the first unreeling mechanism and the gluing mechanism form a first conveying channel, and the gluing mechanism is positioned between the first unreeling mechanism and the drying mechanism; the second unwinding mechanism forms a second conveying channel; an inlet is formed in one side of the drying and repeating mechanism, and the first conveying channel and the second conveying channel are located on one side of the inlet; a first dust sticking mechanism is arranged between the first unreeling mechanism and the gluing mechanism; and a second dust sticking mechanism is also arranged between the second unwinding mechanism and the drying mechanism. The utility model can keep the surfaces of the aluminum foil and the film clean and can not generate scratches; when the dust binding mechanism needs to be cleaned, the paper roll on the surface of the dust binding paper roll is only required to be taken off, the machine does not need to be stopped, and the dust binding mechanism is simple in structure and convenient to use.
Description
Technical Field
The utility model relates to an aluminium-plastic film dry-type composite production equipment technical field, especially an aluminium-plastic film dry composite system with dust binding device.
Background
The aluminum-plastic film for the lithium ion battery is a product with very high requirements on the composite environment, and if impurities are introduced in the composite process, after the electrolyte is added, the lithium ion battery can be directly failed under the corrosion action of the electrolyte, and the explosion of the lithium ion battery can be seriously caused. In the compounding process of the aluminum plastic film for the lithium ion battery, dust in a dust-free workshop and other control compound environments is mostly adopted, and a dust adhering device is rarely added on compounding equipment. However, due to factors such as static electricity, impurities are easily introduced into the film, so that the product is invalid or needs to be removed in the later slitting process, and the production efficiency is influenced.
Chinese utility model publication No. CN207042950 discloses an automatic dust removing mechanism for film production, but this dust removing mechanism has a complex structure and cannot achieve a cleaning effect on dust and impurities with too small particle size. The utility model discloses a chinese utility model of bulletin No. CN208134779 discloses a dust collector for laminating machine, through actuating mechanism control glutinous dirt mechanism, can adhere the dust on the laminating product, nevertheless because the used plastic-aluminum membrane of lithium ion battery is higher to the quality requirement of aluminium foil and film, if dust hardness is great, glutinous dirt mechanism is when adhering the dust, produces the mar on aluminium foil or film surface easily, when glutinous dirt mechanism needs the clearance, need shut down work, influence production.
Therefore, the applicant proposes an aluminum plastic film dry coating system with a dust adhering device, which can solve the technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aluminium-plastic film is system of answering futilely with binding dust device, simple structure not only, and through set up the binding dust mechanism on transfer passage, can shift surface impurity on the one hand to the binding dust scroll, keep aluminium foil and film surface clean and tidy, and can not produce the mar at its surface, influence the quality of aluminium foil and film, on the other hand, when needs clear up the binding dust mechanism, only need with the surface scroll take off can of binding dust scroll, need not to shut down the operation.
The utility model discloses an aluminium-plastic film drying system with dust sticking device, including first unwinding mechanism, rubber coating mechanism, second unwinding mechanism and drying mechanism, first unwinding mechanism, rubber coating mechanism constitute first transfer passage, the rubber coating mechanism is located between first unwinding mechanism and drying mechanism; the second unwinding mechanism forms a second conveying channel; an inlet is formed in one side of the drying and repeating mechanism, and the first conveying channel and the second conveying channel are located on one side of the inlet; a first dust sticking mechanism is arranged between the first unreeling mechanism and the gluing mechanism; a second dust sticking mechanism is arranged between the second unwinding mechanism and the drying mechanism; the dry-repeating mechanism comprises a composite compression roller set and a winding roller, and the inlet is arranged on one side of the composite compression roller set.
Preferably, the first dust adhering mechanism comprises a first roller frame, a first supporting roller, a first dust adhering roller and a first dust adhering paper roll, and the first supporting roller, the first dust adhering roller and the first dust adhering paper roll are sequentially arranged on the first roller frame from top to bottom; still be equipped with first drive actuating cylinder on the first roll frame, the tip detachable of first bonding dust scroll is fixed on first drive actuating cylinder, and first bonding dust scroll can be in the free motion of vertical direction under the effect of first drive actuating cylinder.
Preferably, the first dust-sticking roller is a silica gel roller, and the silica gel roller is made of self-adhesive liquid silica gel.
Preferably, rubber coating mechanism includes an airtight box be equipped with into membrane mouth and play membrane mouth on the box be equipped with a plurality of deflector rolls, rubberizing roller, compression roller and glue groove in the box, the glue groove is established the bottom half, rubberizing roller part is soaked in the glue groove, the compression roller is located the top of rubberizing roller.
Furthermore, a drying mechanism is arranged at the tail end of the first conveying channel and is directly connected with a film outlet of the gluing mechanism.
Further, the drying mechanism is a blast oven, and a fan is arranged in the blast oven.
Preferably, the second dust-binding mechanism comprises a second roller frame, a second supporting roller, a second dust-binding roller and a second dust-binding paper roll, and the second dust-binding paper roll, the second dust-binding roller and the second supporting roller are sequentially arranged on the second roller frame from top to bottom; the second roller frame is further provided with a second driving cylinder, the end part of the second dust-binding paper roll is detachably fixed on the second driving cylinder, and the second dust-binding paper roll can freely move in the vertical direction under the action of the second driving cylinder.
Further, the second dust-sticking roller is a silica gel roller, and the silica gel roller is made of self-adhesive liquid silica gel.
The working principle of the utility model is as follows:
and the aluminum foil is pulled to the dry-compound mechanism through the first conveying channel, and the nylon film is pulled to the dry-compound mechanism through the second conveying channel. And the aluminum foil is placed on the first unwinding mechanism and penetrates through a gap between a first supporting roller and a first dust-binding roller on the first dust-binding mechanism, and the first dust-binding paper roll is adjusted through the first driving cylinder, so that the first dust-binding paper roll is in direct contact with the roller surface of the first dust-binding roller. The aluminum foil passes through a plurality of guide rollers after entering the gluing mechanism through the film inlet and passes through the space between the gluing roller and the compression roller, and the lower surface of the aluminum foil is coated with the glue needed in the dry lamination and then enters the dry lamination mechanism through the film outlet. And placing the nylon film on the second unwinding mechanism, penetrating through a gap between a second supporting roller and a second dust-binding roller on the second dust-binding mechanism, adjusting the second dust-binding paper roll through a second driving cylinder, enabling the second dust-binding paper roll to be in direct contact with the roller surface of the second dust-binding roller, and enabling the nylon film to enter the drying mechanism. After the upper surface of the nylon film is tightly adhered to the lower surface of the aluminum foil, the dry-compounding process is completed through the compounding press roll set, and the compounding of the nylon and the aluminum foil is completed through the winding roll.
The utility model relates to an aluminium-plastic film is compound system futilely with binding dust device compares with prior art and has following advantage:
(1) the conveying channel is provided with the dust adhering mechanism, so that surface impurities can be transferred to the dust adhering paper roll, the surfaces of the aluminum foil and the film are kept clean, scratches cannot be generated on the surfaces of the aluminum foil and the film, and the quality of the aluminum foil and the film is not influenced;
(2) simple structure, when needs are cleared up the binding dust mechanism, only need with the scroll on binding dust scroll surface take off can, need not to shut down the operation, convenient to use.
Drawings
FIG. 1 is a schematic view of an aluminum-plastic film drying system with a dust-binding device according to the present invention;
FIG. 2 is a schematic structural diagram of a dust-binding device of an aluminum-plastic film dry-compound system with the dust-binding device of the present invention;
FIG. 3 is a schematic structural view of a first dust-binding mechanism of the present invention;
FIG. 4 is a schematic structural view of a second dust-binding mechanism of the present invention;
reference numerals:
1. a first unwinding mechanism;
2. a first dust-binding mechanism; 21. a first roll stand; 22. a first support roller; 23. a first dust-binding roller; 24. a first dust-binding paper roll; 25. a first driving cylinder;
3. a gluing mechanism; 31. a box body; 32. a film inlet; 33. a film outlet; 34. a guide roller; 35. gluing a rubber roller; 36. a compression roller; 37. a glue tank;
4. a second unwinding mechanism;
5. a second dust-binding mechanism; 51. a second roll stand; 52. a second support roller; 53. a second dust-binding roller; 54. a second dust-binding paper roll; 55. a second driving cylinder;
6. a drying mechanism; 61. a composite compression roller set; 62. a wind-up roll;
7. a forced air oven; 71. a fan.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Fig. 1 and 2 show that the utility model relates to an aluminum plastic film drying system with dust-binding device, which comprises a first unwinding mechanism 1, a gluing mechanism 3, a second unwinding mechanism 4 and a drying mechanism 6, wherein the first unwinding mechanism 1 and the gluing mechanism 3 form a first conveying passage, and the gluing mechanism 3 is located between the first unwinding mechanism 1 and the drying mechanism 6; the second unwinding mechanism 4 forms a second conveying channel. The dry-repeating mechanism 6 comprises a composite pressing roller group 61 and a winding roller 62, an inlet is arranged on one side of the composite pressing roller group 61, and the first conveying channel and the second conveying channel are positioned on one side of the inlet. Usually, the aluminum foil enters the dry laminating mechanism 6 through the first conveying channel, the film enters the dry laminating mechanism 6 through the second conveying channel, and after the aluminum foil and the film are subjected to dry lamination in the dry laminating mechanism 6, the dry lamination process is completed.
A first dust adhering mechanism 2 is further arranged between the first unreeling mechanism 1 and the gluing mechanism 3, the first dust adhering mechanism 2 comprises a first roller frame 21, a first supporting roller 22, a first dust adhering roller 23 and a first dust adhering paper roll 24, and the first supporting roller 22, the first dust adhering roller 23 and the first dust adhering paper roll 24 are sequentially arranged on the first roller frame 21 from top to bottom; the first roller frame 21 is further provided with a first driving cylinder 25, the end of the first dust-binding paper roll 24 is detachably fixed on the first driving cylinder 25, and the first dust-binding paper roll 24 can freely move in the vertical direction under the action of the first driving cylinder 25. Before the aluminum foil enters the glue coating mechanism 3, the aluminum foil passes through between the first supporting roller 22 and the first dust-sticking roller 23, at the moment, the first dust-sticking roller 23 is in close contact with the upper surface of the aluminum foil and starts to rotate under the movement of the aluminum foil, and dust on the upper surface of the aluminum foil is transferred to the first dust-sticking roller 23. Under the action of the first driving cylinder 25, the surface of the first dust-binding paper roll 24 is directly contacted with the surface of the first dust-binding roller 23, and because the friction force of the surface of the first dust-binding roller 23 is large, the first dust-binding paper roll 24 is driven by the first dust-binding roller 23 to rotate and adsorb dust on the surface of the first dust-binding roller 23. After the dust-binding paper roll is used for a period of time, after a paper film on the surface of the dust-binding paper roll is torn off, the first dust-binding paper roll 24 is adjusted to a proper position through the first driving cylinder 25. In order to improve the dust adhesion of the first dust adhesion roller 23, the first dust adhesion roller 23 is a silica gel roller, and the silica gel roller is made of self-adhesive liquid silica gel.
In order not to introduce new dust when the rubber coating, and make glue evenly coat on the aluminium foil surface, rubber coating mechanism 3 includes a sealed box 31 be equipped with into membrane mouth 32 and play membrane mouth 33 on the box 31 be equipped with a plurality of deflector rolls 34, sizing roller 35, compression roller 36 and glue groove 37 in the box 31, glue groove 37 is established the box 31 bottom, sizing roller 35 part is soaked in the glue groove 37, compression roller 36 is located sizing roller 35's top. The aluminum foil passes through a gluing roller 35 and a press roller 36 under the action of a guide roller 34, so that the lower surface of the aluminum foil is glued, and enters a drying mechanism 6 to be compounded with the film.
And a second dust sticking mechanism 5 is also arranged between the second unreeling mechanism 4 and the drying and restoring mechanism 6, and the second dust sticking mechanism 5 is similar to the first dust sticking mechanism 2 in structure. The second dust adhering mechanism 5 comprises a second roller frame 51, a second supporting roller 52, a second dust adhering roller 53 and a second dust adhering paper roll 54, and the second dust adhering paper roll 54, the second dust adhering roller 53 and the second supporting roller 52 are sequentially arranged on the second roller frame 51 from top to bottom; the second roll frame 51 is further provided with a second driving cylinder 55, the end of the second dust-binding paper roll 54 is detachably fixed on the second driving cylinder 55, and the second dust-binding paper roll 54 can freely move in the vertical direction under the action of the second driving cylinder 55. In order to improve the dust adhesion of the second dust adhesion roller 53, the second dust adhesion roller 53 is a silica gel roller, and the silica gel roller is made of self-adhesive liquid silica gel. Before the nylon, PET and other films enter the drying and recovering mechanism 6 through the second unwinding mechanism 4, the nylon, PET and other films pass through the second supporting roller 52 and the second dust-sticking roller 53, the second dust-sticking roller 53 is in close contact with the upper surface of the films, and the second dust-sticking roller 53 starts to rotate under the movement of the films due to the large friction force of the surface of the second dust-sticking roller 53, so that the dust on the upper surface of the films is transferred to the surface of the second dust-sticking roller 53. The second dust-binding paper roll 54 is brought into direct contact with the surface of the second dust-binding roller 53 by the second driving cylinder 55, and adsorbs dust on the surface of the second dust-binding roller 53. After the dust-binding paper roll is used for a period of time, the paper film on the surface of the dust-binding paper roll is torn off, and the distance between the second dust-binding paper roll 54 and the second dust-binding roller 53 is adjusted by the second driving cylinder 55.
Because the glue contains a large amount of solvent, in order to improve the film and aluminum foil compounding efficiency, the tail end of the first conveying channel is also provided with the air blowing oven 7, the air blowing oven 7 is directly connected with the film outlet 33 of the gluing mechanism 3, and a fan 71 is arranged in the air blowing oven 7. The blower oven 7 may also be another drying mechanism.
The working principle of the utility model is as follows:
and drawing the aluminum foil to the dry-compound mechanism 6 through the first conveying channel, and drawing the nylon film to the dry-compound mechanism 6 through the second conveying channel. The aluminum foil is placed on the first unwinding mechanism 1, passes through a gap between the first supporting roller 22 and the first dust-binding roller 23 on the first dust-binding mechanism 2, and the first dust-binding paper roll 24 is adjusted through the first driving cylinder 25, so that the first dust-binding paper roll 24 is in direct contact with the surface of the first dust-binding roller 23. After entering the glue coating mechanism 3 through the film inlet 32, the aluminum foil passes through a plurality of guide rollers 34 and passes through a space between a glue coating roller 35 and a press roller 36, the lower surface of the aluminum foil is coated with glue needed in dry coating, and then enters the air-blast oven 7 through the film outlet 33, and after proper temperature and time, the solvent in the glue on the surface of the aluminum foil is partially volatilized and then enters the dry coating mechanism 6. The nylon film is placed on the second unreeling mechanism 4, passes through a gap between a second supporting roller 52 and a second dust-binding roller 53 on the second dust-binding mechanism 5, and the second dust-binding paper roll 54 is adjusted by a second driving cylinder 55, so that the second dust-binding paper roll 54 is directly contacted with the roller surface of the second dust-binding roller 53, and the nylon film enters the drying mechanism 6. After the upper surface of the nylon film is tightly adhered to the lower surface of the aluminum foil, the dry-lamination process is completed through the composite press roller set 61, and the lamination of the nylon and the aluminum foil is completed through the winding roller 62.
The dust on the surface of the aluminum foil or the film is adhered and removed by the dust adhering roller, and the dust on the surface of the dust adhering roller is timely transferred by the dust adhering paper roll, so that the aluminum foil or the film can be prevented from being scratched by the dust adhering roller due to the accumulation of the dust on the surface. Because the dust-sticking roller is an elastic silica gel roller, when dust is adhered to the surface of the dust-sticking roller, the surface of the dust-sticking roller deforms when contacting with the aluminum foil or the thin film, and scratches can be further avoided. When too much dust is adhered to the surface of the dust-binding paper roll, the surface of the dust-binding paper roll only needs to be torn off, and the operation is convenient.
In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.
In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (8)
1. An aluminum plastic film dry laminating system with a dust sticking device is characterized by comprising a first unwinding mechanism, a gluing mechanism, a second unwinding mechanism and a dry laminating mechanism, wherein the first unwinding mechanism and the gluing mechanism form a first conveying channel, and the gluing mechanism is positioned between the first unwinding mechanism and the dry laminating mechanism; the second unwinding mechanism forms a second conveying channel; an inlet is formed in one side of the drying and repeating mechanism, and the first conveying channel and the second conveying channel are located on one side of the inlet; a first dust sticking mechanism is arranged between the first unreeling mechanism and the gluing mechanism; a second dust sticking mechanism is arranged between the second unwinding mechanism and the drying mechanism; the dry-repeating mechanism comprises a composite compression roller set and a winding roller, and the inlet is arranged on one side of the composite compression roller set.
2. The aluminum plastic film dry laminating system with the dust adhering device as claimed in claim 1, wherein the first dust adhering mechanism comprises a first roller frame, a first supporting roller, a first dust adhering roller and a first dust adhering paper roll, and the first supporting roller, the first dust adhering roller and the first dust adhering paper roll are sequentially arranged on the first roller frame from top to bottom; still be equipped with first drive actuating cylinder on the first roll frame, the tip detachable of first bonding dust scroll is fixed on first drive actuating cylinder, and first bonding dust scroll can be in the free motion of vertical direction under the effect of first drive actuating cylinder.
3. The aluminum plastic film drying system with the dust adhering device as claimed in claim 2, wherein the first dust adhering roller is a silica gel roller, and the silica gel roller is made of self-adhesive liquid silica gel.
4. The aluminum plastic film dry laminating system with the dust sticking device as claimed in claim 1, wherein the glue coating mechanism comprises a closed box body, a film inlet and a film outlet are arranged on the box body, a plurality of guide rollers, a glue applying roller, a press roller and a glue groove are arranged in the box body, the glue groove is arranged at the bottom of the box body, the glue applying roller is partially soaked in the glue groove, and the press roller is positioned above the glue applying roller.
5. The aluminum plastic film drying system with the dust adhering device as claimed in claim 4, wherein a drying mechanism is further arranged at the end of the first conveying channel, and the drying mechanism is directly connected with the film outlet of the film coating mechanism.
6. The aluminum-plastic film drying system with the dust sticking device as recited in claim 5, wherein the drying mechanism is a blower oven, and a fan is disposed in the blower oven.
7. The aluminum-plastic film drying system with the dust adhering device as recited in claim 1, wherein the second dust adhering mechanism comprises a second roller frame, a second supporting roller, a second dust adhering roller and a second dust adhering paper roll, and the second dust adhering paper roll, the second dust adhering roller and the second supporting roller are sequentially arranged on the second roller frame from top to bottom; the second roller frame is further provided with a second driving cylinder, the end part of the second dust-binding paper roll is detachably fixed on the second driving cylinder, and the second dust-binding paper roll can freely move in the vertical direction under the action of the second driving cylinder.
8. The aluminum plastic film drying system with the dust adhering device as claimed in claim 7, wherein the second dust adhering roller is a silica gel roller, and the silica gel roller is made of self-adhesive liquid silica gel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921192072.5U CN210234298U (en) | 2019-07-26 | 2019-07-26 | Aluminum-plastic film dry laminating system with dust sticking device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921192072.5U CN210234298U (en) | 2019-07-26 | 2019-07-26 | Aluminum-plastic film dry laminating system with dust sticking device |
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| CN210234298U true CN210234298U (en) | 2020-04-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960492A (en) * | 2021-04-13 | 2021-06-15 | 宁波鑫望包装机械有限公司 | Production equipment and production process of dust-binding paper roll |
| CN113442552A (en) * | 2021-07-15 | 2021-09-28 | 益阳市鸿利来彩印包装有限公司 | Composite flexible package dry-curing integrated system |
| CN117445529A (en) * | 2023-11-16 | 2024-01-26 | 扬州腾飞电缆电器材料有限公司 | Preparation method and device of special-shaped open aluminum foil composite belt |
-
2019
- 2019-07-26 CN CN201921192072.5U patent/CN210234298U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960492A (en) * | 2021-04-13 | 2021-06-15 | 宁波鑫望包装机械有限公司 | Production equipment and production process of dust-binding paper roll |
| CN113442552A (en) * | 2021-07-15 | 2021-09-28 | 益阳市鸿利来彩印包装有限公司 | Composite flexible package dry-curing integrated system |
| CN117445529A (en) * | 2023-11-16 | 2024-01-26 | 扬州腾飞电缆电器材料有限公司 | Preparation method and device of special-shaped open aluminum foil composite belt |
| CN117445529B (en) * | 2023-11-16 | 2024-04-30 | 扬州腾飞电缆电器材料有限公司 | Preparation method and device of special-shaped open aluminum foil composite belt |
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Address after: 214400 No. 68-1, Tong'an Road, Qingyang Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: JIANGYI SUDA HUICHENG COMPOSITE MATERIAL CO.,LTD. Address before: 214411 No. 26 Tonggang Road, Changjing Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: JIANGYI SUDA HUICHENG COMPOSITE MATERIAL CO.,LTD. |
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