CN103496038A - Groove-shaped brick production line - Google Patents
Groove-shaped brick production line Download PDFInfo
- Publication number
- CN103496038A CN103496038A CN201310285881.1A CN201310285881A CN103496038A CN 103496038 A CN103496038 A CN 103496038A CN 201310285881 A CN201310285881 A CN 201310285881A CN 103496038 A CN103496038 A CN 103496038A
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- Prior art keywords
- conveyer belt
- cutting
- blank
- production line
- discharge end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000011449 brick Substances 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000005520 cutting process Methods 0.000 claims abstract description 67
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- 239000004576 sand Substances 0.000 abstract 2
- 238000003756 stirring Methods 0.000 abstract 2
- 239000000047 product Substances 0.000 description 8
- 238000000465 moulding Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000011451 fired brick Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/14—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The invention discloses a groove-shaped brick production line which comprises a sand dredging device arranged at a sand field and a raw material conveying belt. The discharge end of the raw material conveying belt is connected with the feeding end of a humidifying stirring device, the discharge end of the humidifying stirring device is connected with the feeding end of a mud cylinder, the discharge end of the mud cylinder is connected with the feeding end of a brick extruding machine, a brick cutting machine is arranged at the discharge end of the brick extruding machine, a blank conveying belt is arranged at the discharge end of the brick cutting machine, a plurality of unloading working stations are arranged at the side portion of the blank conveying belt, and a plurality of blank conveying trolleys are arranged on the unloading working stations; the tail end of the blank conveying belt is connected with the feeding end of the mud cylinder; due to the fact that the tail end of the blank conveying belt is connected with the mud cylinder, when the blank on the blank conveying belt is conveyed to the unloading working stations and is not completely unloaded, the blank is conveyed back in the mud cylinder to be used as raw materials for secondary utilization, raw material cost is saved, waste is reduced, and environmental pollution is reduced.
Description
Technical field
The present invention relates to a kind of fired brick process units field, particularly a kind of grooved brick production line.
Background technology
The slitting blank cutter used in brick and tile manufacturing enterprise at present, its Main Function is first to utilize the mud bar that cutting cutter is extruded extruder to require to cut into according to the difference of final products the moulding mud bar that length is equal, then through blank cutter, again cuts into final qualified adobe.Common slitting blank cutter operation principle is, the mud bar is from the extruder outlet is extruded by high pressure, at first touch the passive carrying roller of cutting cutter, because extruder belongs to continuous operation, so the mud bar is the radius of turn through the slitting steel wire as driving link all the time, the tubular cutter sweep that the slitting steel wire is comprised of steel wire, it is as mechanicalness, to rotatablely move under mud bar thrust is ordered about, after the movement locus of two different directions is synthetic, the mud bar is cut into the moulding mud bar that two ends are the regular circle camber, moulding mud bar is under the effect of inertia and acceleration belt, what run to blank cutter cuts the base platform, now, by the special messenger according to the mud bar in the position of cutting on the base platform, trample the manual control switch, effect through link rod, making to push away the base head travels forward, promote moulding mud bar through equally spaced cutting base steel wire, moulding mud bar is cut into to satisfactory adobe.
Although above-mentioned slitting blank cutter has solved the molding procedure of brickmaking production line, in use has following weak point:
1, at unloading station, workman's operating efficiency is unstable, often can miss some adobes and not detect in time; existing mode is that the direct discharge of wet base is piled up; such weak point is the wet stressed easy modification of base, and the adobe of not picking up becomes waste material, causes the wasting of resources.
Need guarantee that section is smooth during 2, due to cutting, usually at the unsuitable high-speed drive of the conveyer of cutting appliance front end, existing brick cutting machine is owing to lacking monitoring means, usually the synchronized transmission of section transmission device before and after, discharging efficiency and end product quality are all not good, are difficult to meet the demand of the discharging conveyer belt high speed discharging of back segment.
3, the adobe shape of finished product is single, is difficult to knock the thin-walled edge on the adobe surface and manufacture the brick with grooves for the cross-under pipeline, only can cut and make at the construction field (site), and difficulty of processing is large, efficiency is low, seriously polluted.
Summary of the invention
The object of the invention is to: for above-mentioned weak point, provide a kind of and saved cost of material and reduced waste, reduce the grooved brick production line of environmental pollution.
In order to realize the foregoing invention purpose, the invention provides following technical scheme:
A kind of grooved brick production line, comprise and be arranged at the husky device of digging of battle field and raw material conveyer belt, the discharge end of described raw material conveyer belt is connected with the feed end of humidification mixing device, the discharge end of described humidification mixing device is connected with the feed end of mud cylinder, the discharge end of described mud cylinder is connected with the feed end of extruder, the discharge end of described extruder is provided with brick cutting machine, the discharge end of described brick cutting machine is provided with the blank conveyer belt, the side of described blank conveyer belt is provided with several unloading stations, is provided with several fortune base dollies on described unloading station; The end of described blank conveyer belt is connected with the feed end of mud cylinder.
Adopt such structure, by blank conveyer belt end is connected with the mud cylinder, blank on the blank conveyer belt moves to unloading station but while not picked up discharging fully, backhaul to the mud cylinder and carry out the secondary utilization as raw material, saved cost of material and reduced waste, reduction environmental pollution.
Preferably, described brick cutting machine comprises frame, be provided with cutter sweep on described frame, the front-end and back-end of described cutter sweep are respectively arranged with feed conveyor belt and discharging conveyer belt, described cutter sweep comprises drive motors and the rotating shaft be connected with drive motors, in described rotating shaft, be provided with along the rotating shaft rotating frame that radially extend at two ends, in rotating shaft, an end radially is provided with cutter head to described rotating frame; In rotating shaft, an end radially is uncovered to described rotating frame; Be provided with photodetector head assembly on described frame, described rotating shaft is connected with baffle plate, and the signal output part of described photodetector head assembly is connected with the drive motors of discharging conveyer belt.
Preferably, described baffle plate is fan-shaped, and when cutter head during by cutting ingot, described baffle plate blocks photodetector head assembly and, to the drive motors transmitted signal of discharging conveyer belt, makes the drive motors of discharging driving-belt with the speed drive higher than feed conveyor belt;
When cutter head turns to while contacting with blank, described baffle plate is positioned at beyond the investigative range of photodetector head assembly, described photodetector head assembly, to the drive motors transmitted signal of discharging conveyer belt, makes the drive motors of discharging driving-belt with the speed drive lower than feed conveyor belt.
Adopt such structure, with feed conveyor belt in prior art, with the mode of the synchronized operation of discharging conveyer belt, compare, when cutter head turns to while contacting with blank, described baffle plate is positioned at beyond the investigative range of photodetector head assembly, described photodetector head assembly is to the drive motors transmitted signal of discharging conveyer belt, make the drive motors of discharging driving-belt with the speed drive higher than feed conveyor belt, not only make cutting section more smooth, and the mode by Photoelectric Detection, make the blank after cut-out derive at a high speed at the discharging conveyer belt, improved production efficiency.
Preferably, the discharge end of described extruder is provided with the cutting support, and the middle part of described cutting support is provided with out material through hole, and the described aperture that goes out material through hole is greater than the aperture of discharge end, be provided with several cutting projections on described cutting support, described cutting projection extends to out in material through hole.
Adopt such structure, the projection of using by have additional cutting above mould, make the finished product blank extrude rear formation is easy to knock out knock groove or extrude score groove longitudinally on the finished product blank, be conducive to finished bricks and bondd with concrete mortar more fully when construction.
Preferably, described cutting support is connected with discharging opening by connecting bottom board, and a side of described connecting bottom board is fixedly connected with discharging opening, and the opposite side of described connecting bottom board is connected with the cutting support is dismantled and assembled.Adopt such structure, be conducive to fast assembling-disassembling.
Preferably, the outer face of described connecting bottom board is provided with connecting rod, and described connecting rod is arranged at the surrounding of cutting support, and the end of described connecting rod is provided with pressing plate by bolt, and described cutting support is arranged between depression bar and connecting bottom board.Adopt such structure, not only be easy to dismounting, and bonding strength is good.
Preferably, described cutting projection is taper.
Preferably, described cutting projection is welded on the cutting support.
Owing to having adopted technique scheme, the invention has the beneficial effects as follows:
1, by blank conveyer belt end is connected with the mud cylinder, blank on the blank conveyer belt moves to unloading station but while not picked up discharging fully, backhaul to the mud cylinder and carry out the secondary utilization as raw material, saved cost of material and reduced waste, reduction environmental pollution.
2, turn to while contacting with blank when cutter head, described baffle plate is positioned at beyond the investigative range of photodetector head assembly, described photodetector head assembly is to the drive motors transmitted signal of discharging conveyer belt, make the drive motors of discharging driving-belt with the speed drive higher than feed conveyor belt, not only make cutting section more smooth, and the mode by Photoelectric Detection, make the blank after cut-out derive at a high speed at the discharging conveyer belt, improved production efficiency.
3, the projection of using by have additional cutting above mould, make the finished product blank extrude rear formation is easy to knock out knock groove or extrude score groove longitudinally on the finished product blank, be conducive to finished bricks and bondd with concrete mortar more fully when construction.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
The structural representation that Fig. 2 is brick cutting machine in the present invention;
The structural representation that Fig. 3 is extruder discharge end in the present invention.
Mark in figure: dig husky device-1; Raw material conveyer belt-2; Humidification mixing device-3; Mud cylinder-4; Extruder-5; Brick cutting machine-6; Blank conveyer belt-7; Unloading station-8; Frame-9; Drive motors-10; Rotating shaft-11; Rotating frame-12; Cutter head-13; Photodetector head assembly-14; Baffle plate-15; Discharging belt-driven motor-16; Cutting support-17; Cutting projection-18; Connecting bottom board-19; Connecting rod-20; Pressing plate-21.
The specific embodiment
Below in conjunction with test example and the specific embodiment, the present invention is described in further detail.But this should be interpreted as to the scope of the above-mentioned theme of the present invention only limits to following embodiment, all technology realized based on content of the present invention all belong to scope of the present invention.
As shown in Figure 1 to Figure 3, a kind of grooved brick of the present embodiment production line, comprise and be arranged at the husky device 1 of digging of battle field and raw material conveyer belt 2, the discharge end of raw material conveyer belt 2 is connected with the feed end of humidification mixing device 3, the discharge end of humidification mixing device 3 is connected with the feed end of mud cylinder 4, the discharge end of mud cylinder 4 is connected with the feed end of extruder 5, the discharge end of extruder 5 is provided with brick cutting machine 6, the discharge end of brick cutting machine 6 is provided with blank conveyer belt 7, the side of blank conveyer belt 7 is provided with several unloading stations 8, be provided with several fortune base dollies on unloading station 8, at each unloading station 8 places, by the workman, manually from blank conveyer belt 7, blank is picked up, be stacked in fortune base dolly, so that subsequent movement is carried out roasting to drying room, the end of blank conveyer belt 7 is connected with the feed end of mud cylinder 4, by blank conveyer belt 7 ends are connected with mud cylinder 4, blank on blank conveyer belt 7 moves to unloading station 8, but while not picked up discharging fully, backhaul to mud cylinder 4 and carry out the secondary utilization as raw material, saved cost of material, and reduced waste, reduce environmental pollution.
Brick cutting machine 6 comprises frame 9, be provided with cutter sweep on frame 9, the front-end and back-end of cutter sweep are respectively arranged with feed conveyor belt and discharging conveyer belt, cutter sweep comprises drive motors 10 and the rotating shaft 11 be connected with drive motors 10, in rotating shaft 11, be provided with along rotating shaft 11 rotating frame 12 that radially extend at two ends, in rotating shaft 11, an end radially is provided with cutter head 13 to rotating frame 12, in rotating shaft 11, an end radially is uncovered to rotating frame 12, be provided with photodetector head assembly 14 on frame 9, rotating shaft 11 is connected with baffle plate 15, the signal output part of photodetector head assembly 14 is connected with the drive motors 16 of discharging conveyer belt, baffle plate 15 is fan-shaped, when cutter head 13 during by cutting ingot, baffle plate 15 blocks photodetector head assembly 14 and, to drive motors 16 transmitted signals of discharging conveyer belt, makes the drive motors 10 of discharging driving-belt with the speed drive higher than feed conveyor belt, when cutter head 13 turns to while contacting with blank, baffle plate 15 is positioned at beyond the investigative range of photodetector head assembly 14, photodetector head assembly 14 is to drive motors 16 transmitted signals of discharging conveyer belt, make the drive motors 10 of discharging driving-belt with the speed drive lower than feed conveyor belt, with feed conveyor belt in prior art, with the mode of the synchronized operation of discharging conveyer belt, compare, when cutter head 13 turns to while contacting with blank, baffle plate 15 is positioned at beyond the investigative range of photodetector head assembly 14, photodetector head assembly 14 is to drive motors 16 transmitted signals of discharging conveyer belt, make the drive motors 10 of discharging driving-belt with the speed drive higher than feed conveyor belt, not only make cutting section more smooth, and by the mode of Photoelectric Detection, make the blank after cut-out derive at a high speed at the discharging conveyer belt, improved production efficiency.
The discharge end of extruder 5 is provided with cutting support 17, the middle part of cutting support 17 is provided with out material through hole, the aperture that goes out material through hole is greater than the aperture of discharge end, be provided with several cutting projections 18 on cutting support 17, cutting projection 18 extends to out in material through hole, adopt such structure, the projection of using by have additional cutting above mould, make the finished product blank extrude rear formation is easy to knock out knock groove or extrude score groove longitudinally on the finished product blank, be conducive to finished bricks and bondd with concrete mortar more fully when construction.
The outer face of connecting bottom board 19 is provided with connecting rod 20, and connecting rod 20 is arranged at the surrounding of cutting support 17, and the end of connecting rod 20 is provided with pressing plate 21 by bolt, and cutting support 17 is arranged between depression bar and connecting bottom board 19.Adopt such structure, not only be easy to dismounting, and bonding strength is good, cutting projection 18 is taper, and cutting projection 18 is welded on cutting support 17.
Claims (8)
1. a grooved brick production line, it is characterized in that: comprise and be arranged at the husky device of digging of battle field and raw material conveyer belt, the discharge end of described raw material conveyer belt is connected with the feed end of humidification mixing device, the discharge end of described humidification mixing device is connected with the feed end of mud cylinder, the discharge end of described mud cylinder is connected with the feed end of extruder, the discharge end of described extruder is provided with brick cutting machine, the discharge end of described brick cutting machine is provided with the blank conveyer belt, the side of described blank conveyer belt is provided with several unloading stations, is provided with several fortune base dollies on described unloading station; The end of described blank conveyer belt is connected with the feed end of mud cylinder.
2. grooved brick production line according to claim 1, it is characterized in that: described brick cutting machine comprises frame, be provided with cutter sweep on described frame, the front-end and back-end of described cutter sweep are respectively arranged with feed conveyor belt and discharging conveyer belt, described cutter sweep comprises drive motors and the rotating shaft be connected with drive motors, in described rotating shaft, be provided with along the rotating shaft rotating frame that radially extend at two ends, in rotating shaft, an end radially is provided with cutter head to described rotating frame; In rotating shaft, an end radially is uncovered to described rotating frame; Be provided with photodetector head assembly on described frame, described rotating shaft is connected with baffle plate, and the signal output part of described photodetector head assembly is connected with the drive motors of discharging conveyer belt.
3. grooved brick production line according to claim 2, it is characterized in that: described baffle plate is fan-shaped, when cutter head during by cutting ingot, described baffle plate blocks photodetector head assembly and, to the drive motors transmitted signal of discharging conveyer belt, makes the drive motors of discharging driving-belt with the speed drive higher than feed conveyor belt; When cutter head turns to while contacting with blank, described baffle plate is positioned at beyond the investigative range of photodetector head assembly, described photodetector head assembly, to the drive motors transmitted signal of discharging conveyer belt, makes the drive motors of discharging driving-belt with the speed drive lower than feed conveyor belt.
4. grooved brick production line according to claim 1, it is characterized in that: the discharge end of described extruder is provided with the cutting support, the middle part of described cutting support is provided with out material through hole, the described aperture that goes out material through hole is greater than the aperture of discharge end, be provided with several cutting projections on described cutting support, described cutting projection extends to out in material through hole.
5. grooved brick production line according to claim 4, it is characterized in that: described cutting support is connected with discharging opening by connecting bottom board, one side of described connecting bottom board is fixedly connected with discharging opening, and the opposite side of described connecting bottom board is connected with the cutting support is dismantled and assembled.
6. grooved brick production line according to claim 5, it is characterized in that: the outer face of described connecting bottom board is provided with connecting rod, described connecting rod is arranged at the surrounding of cutting support, the end of described connecting rod is provided with pressing plate by bolt, and described cutting support is arranged between depression bar and connecting bottom board.
7. grooved brick production line according to claim 6, it is characterized in that: described cutting projection is taper.
8. grooved brick production line according to claim 7, it is characterized in that: described cutting projection is welded on the cutting support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310285881.1A CN103496038B (en) | 2013-07-09 | 2013-07-09 | A kind of grooved brick production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310285881.1A CN103496038B (en) | 2013-07-09 | 2013-07-09 | A kind of grooved brick production line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103496038A true CN103496038A (en) | 2014-01-08 |
| CN103496038B CN103496038B (en) | 2015-09-30 |
Family
ID=49861347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310285881.1A Active CN103496038B (en) | 2013-07-09 | 2013-07-09 | A kind of grooved brick production line |
Country Status (1)
| Country | Link |
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| CN (1) | CN103496038B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818288A (en) * | 2016-05-26 | 2016-08-03 | 淮南市鸿裕工业产品设计有限公司 | Material fixing assistance module used during cutting-off work of brick cutter |
| CN108995025A (en) * | 2018-06-22 | 2018-12-14 | 昆山倍驰自动化设备有限公司 | It is a kind of to add mud device automatically |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU421593A1 (en) * | 1972-03-27 | 1974-03-30 | ||
| CN101298169A (en) * | 2008-06-13 | 2008-11-05 | 杨云奇 | Method for producing high-performance brick from non-heat extraction, harmless composite gel material |
| CN201361940Y (en) * | 2009-03-26 | 2009-12-16 | 范红兵 | Anti-oblique cutting intelligent speed variable green brick separator |
| CN202878475U (en) * | 2012-09-22 | 2013-04-17 | 寿阳县大胜窑炉科技有限公司 | Combined type movable blanking and blank-stacking platform |
| CN203331214U (en) * | 2013-07-09 | 2013-12-11 | 成都市第四建筑工程公司 | Trough type brick production line |
-
2013
- 2013-07-09 CN CN201310285881.1A patent/CN103496038B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU421593A1 (en) * | 1972-03-27 | 1974-03-30 | ||
| CN101298169A (en) * | 2008-06-13 | 2008-11-05 | 杨云奇 | Method for producing high-performance brick from non-heat extraction, harmless composite gel material |
| CN201361940Y (en) * | 2009-03-26 | 2009-12-16 | 范红兵 | Anti-oblique cutting intelligent speed variable green brick separator |
| CN202878475U (en) * | 2012-09-22 | 2013-04-17 | 寿阳县大胜窑炉科技有限公司 | Combined type movable blanking and blank-stacking platform |
| CN203331214U (en) * | 2013-07-09 | 2013-12-11 | 成都市第四建筑工程公司 | Trough type brick production line |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818288A (en) * | 2016-05-26 | 2016-08-03 | 淮南市鸿裕工业产品设计有限公司 | Material fixing assistance module used during cutting-off work of brick cutter |
| CN108995025A (en) * | 2018-06-22 | 2018-12-14 | 昆山倍驰自动化设备有限公司 | It is a kind of to add mud device automatically |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103496038B (en) | 2015-09-30 |
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Address after: Jinjiang District zouma street Chengdu city Sichuan province 610021 Friendship Plaza No. 55 B block 14, 15 Floor Applicant after: Chengdu No.4 Construction Engineering Company Applicant after: Sichuan Pengshan Jiayi Industrial Co., Ltd. Address before: Jinjiang District zouma street Chengdu city Sichuan province 610021 Friendship Plaza No. 55 B block 14, 15 Floor Applicant before: Chengdu No.4 Construction Engineering Company Applicant before: Sichuan Pengshan County Jiayi Industrial Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: SICHUAN PENGSHAN COUNTY JIAYI INDUSTRIAL CO., LTD. TO: MEISHAN PENGSHAN DISTRICT YIJIA BUILDING MATERIALS CO., LTD. |
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