CN113410724B - Stitch inserting device of BTB connector - Google Patents
Stitch inserting device of BTB connector Download PDFInfo
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- CN113410724B CN113410724B CN202110520295.5A CN202110520295A CN113410724B CN 113410724 B CN113410724 B CN 113410724B CN 202110520295 A CN202110520295 A CN 202110520295A CN 113410724 B CN113410724 B CN 113410724B
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- frame
- bottom plate
- rack
- pin
- push rod
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
- H01R43/24—Assembling by moulding on contact members
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Knitting Machines (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention relates to a pin insertion device, and more particularly, to a pin insertion device of a BTB connector. Mainly provides a stitch inserting device of a BTB connector, which is characterized in that a machine is used for uniformly applying force to a needle for insertion, and then secondary extrusion is carried out on the needle, so that the quality of the BTB connector is ensured. A pin insertion device of a BTB connector comprises: a base provided with 5 bases; the bottom plate is connected between the tops of the bases; the pin inserting mechanism is arranged on one side of the top of the bottom plate; and one side of the top of the bottom plate is provided with a storage mechanism. Through setting up automatic insertion mechanism and contact pin mechanism, drive contact pin board reciprocating motion all around, need not the people hand and promote, reduce the amount of operation, realize the basic function of this device.
Description
Technical Field
The present invention relates to a pin insertion device, and more particularly, to a pin insertion device of a BTB connector.
Background
The BTB connector is used for connecting two PCBs of the connector to realize mechanical and electrical connection, and is characterized in that a male connector and a female connector are matched for use, so that a plastic body and a terminal of the connector have strict matching requirements.
The male socket of the connector is a plug which is often called, the female socket is a socket which is a device for connecting two active devices, current or signals are transmitted, the male end and the female end can transmit messages or current after being contacted, the male and female performance of the connector plays a role in enhancing safety or ensuring normal operation of equipment, and the occurrence of some unsafe factors or improper connection is prevented.
Generally, pins of a plug of the BTB connector need to be inserted, the pins are directly inserted by manual work, the depths of the pins are inconsistent due to uneven force application of hands, and meanwhile, the pin spacing is estimated by the hands, so that the quality of the BTB connector is difficult to ensure.
Disclosure of Invention
In order to overcome the manual work with needle disect insertion, the uneven degree of depth that can lead to the contact pin of staff application of force inconsistent, the stitch interval is estimated to the staff simultaneously, is difficult to guarantee the shortcoming of the quality of BTB connector, the technical problem who solves: provided is a pin inserting device of a BTB connector, which ensures the quality of the BTB connector by means of uniform force application and insertion of a pin by a machine and then secondary extrusion of the pin.
The technical scheme is as follows: a pin insertion device of a BTB connector comprises:
a base provided with a plurality of bases;
the bottom plate is connected between the tops of the bases;
the pin inserting mechanism is arranged on one side of the top of the bottom plate;
and one side of the top of the bottom plate is provided with a storage mechanism.
Further, the pin inserting mechanism comprises:
the needle inserting device comprises a support frame, wherein one side of the top of a base is provided with the support frame, movable guide frames are symmetrically arranged on the support frame, a push rod is connected between the movable guide frames and the upper part of the support frame in a sliding manner, and one side of the push rod is connected with an inserting needle plate;
buffer spring, be connected with 2 buffer spring between catch bar and the support frame.
Further, the storage mechanism comprises:
the supporting bracket is arranged on one side of the top of the bottom plate, the material storage frame is connected between the upper parts of the supporting brackets, and the bottom of the material storage frame is connected with a discharging groove plate;
the needle storage frame is arranged at the top of the bottom plate and is positioned between the discharging groove plate and the needle inserting plate;
the finished product storage frame is arranged at the top of the bottom plate.
Further, still include automatic insertion mechanism, automatic insertion mechanism includes:
the mounting seat is arranged on one side of the top of the bottom plate, and the servo motor is arranged on the top of the mounting seat;
the cam is rotatably arranged at the top of the bottom plate, the eccentric position of the cam is rotatably connected with a connecting rod, and the connecting rod is connected with a pushing rod;
and a bevel gear set is connected between the rotating shaft of the cam and the output shaft of the servo motor.
Further, still including automatic pushing equipment, automatic pushing equipment is including:
2 guide rail installing frames are arranged on one side of the top of the base;
the first rack is connected with the guide rail frame on one side in a sliding manner, and a first return spring is connected between the first rack and the guide rail frame;
the other side of the push rod is provided with a guide rail frame which is connected with the push rod in a sliding way, and the push rod is connected with the discharging chute plate in a sliding way;
the connecting frame is connected between the top of the push rod and the first rack;
the output shaft of the servo motor is connected with a sector gear, and the sector gear is meshed with the first rack.
Further, still include clamping mechanism, clamping mechanism includes:
the push rod is provided with a connecting rod, and the top of the connecting rod is provided with a second rack;
the top of the bottom plate is rotatably connected with a transmission gear, and the transmission gear is meshed with the second rack;
the mounting frame of the transmission gear is connected with the movable slotted plate;
the top of the bottom plate is connected with the L-shaped frame in a sliding manner, the L-shaped frame is connected with a third rack, the third rack is connected with the movable groove plate in a sliding manner, and the third rack is meshed with the transmission gear;
the L-shaped frame is connected with a first wedge block in a sliding mode, and 2 second reset springs are connected between the first wedge block and the top of the L-shaped frame;
the bottom of the first wedge-shaped block is connected with a pressing block;
and the needle storage frame is connected with a second wedge block, and the second wedge block is matched with the first wedge block.
Further, still include secondary insertion mechanism, secondary insertion mechanism includes:
the top of the bottom plate is provided with a mounting bracket;
the installation support is connected with a pressing column in a sliding mode, and 2 third reset springs are connected between the pressing column and the inner wall of the installation support;
the connecting rod is connected with a trigger rod which is matched with the compression column.
Furthermore, the needle inserting plate is in a rake shape.
The invention has the beneficial effects that: the automatic insertion mechanism and the pin inserting mechanism are arranged to drive the pin inserting plate to reciprocate back and forth, so that the pushing of a human hand is not needed, the operation amount is reduced, and the basic functions of the device are realized; the BTB connector is intermittently fed by arranging an automatic material pushing mechanism and a material storing mechanism, and is matched with a contact pin; the BTB connector which is being processed is clamped and fixed by arranging the clamping mechanism, so that the BTB connector is prevented from deviating and the quality of a contact pin is prevented from being influenced; through setting up secondary insertion mechanism, extrude once more to the syringe needle on the BTB connector, guarantee the contact pin quality.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the pin inserting mechanism and the storing mechanism of the present invention.
Fig. 3 is a perspective view of the automatic insertion mechanism of the present invention.
Fig. 4 is a schematic perspective view of the automatic pushing mechanism of the present invention.
Fig. 5 is a schematic perspective view of the secondary insertion mechanism of the present invention.
Fig. 6 is an exploded view of a portion of the clamping mechanism of the present invention.
Fig. 7 is an exploded view of a portion of the automatic pushing mechanism of the present invention.
Reference numerals: the automatic pin inserting device comprises a base 1, a bottom plate 2, a pin inserting mechanism 3, a supporting frame 31, a movable guide frame 32, a buffer spring 33, a pushing rod 34, an inserting needle plate 35, a storage mechanism 4, a supporting frame 41, a discharging chute plate 42, a storage frame 43, a needle storage frame 44, a finished product storage frame 45, an automatic inserting mechanism 5, a mounting seat 51, a servo motor 52, a bevel gear group 53, a cam 54, a connecting rod 55, an automatic pushing mechanism 6, a mounting guide rail frame 61, a sector gear 62, a first rack 63, a connecting frame 64, a first return spring 65, a pushing rod 66, a clamping mechanism 7, a connecting rod 71, a second rack 72, a transmission gear 73, a third rack 74, a movable chute plate 75, a 76L-shaped frame 77 pressing block 78, a first wedge block 79, a second return spring 710, a second wedge block 8-time inserting mechanism, an 81 mounting frame, a 82 triggering rod, an 83 pressing column 84-third return spring.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Example 1
The utility model provides a stitch insertion device of BTB connector, as shown in fig. 1 and 2, including base 1, bottom plate 2, contact pin mechanism 3 and storage mechanism 4, it is equipped with 5 base 1, is connected with bottom plate 2 between the 1 top of base, and the right front side in 2 tops of bottom plate is equipped with contact pin mechanism 3, and the right back side in 2 tops of bottom plate is equipped with storage mechanism 4.
The staff can place BTB connector and needle in storage mechanism 4, promote contact pin mechanism 3 operation to BTB connector and needle carry out contact pin work can.
The pin inserting mechanism 3 comprises a support frame 31, movable guide frames 32, buffer springs 33, a push rod 34 and a pin plate 35, the support frame 31 is arranged on the right front side of the top of the base 1, the movable guide frames 32 are symmetrically arranged on the rear side of the support frame 31, the push rod 34 is slidably connected between the movable guide frames 32 and the upper portion of the support frame 31, the pin plate 35 is connected on the rear side of the push rod 34, and 2 buffer springs 33 are connected between the rear portion of the push rod 34 and the support frame 31.
Storage mechanism 4 is including support bracket 41, ejection of compact frid 42, storage frame 43, store up needle frame 44 and finished product and store frame 45, 2 top right rear sides of bottom plate are equipped with support bracket 41, be connected with storage frame 43 between the support bracket 41 upper portion, storage frame 43 bottom is connected with ejection of compact frid 42, 2 tops of bottom plate are equipped with stores up needle frame 44, store up needle frame 44 and be located between ejection of compact frid 42 and the thimble board 35, 2 tops of bottom plate are equipped with the finished product and store frame 45, the finished product is stored frame 45 and is located ejection of compact frid 42 right side.
The staff can place the BTB connector in storing the frame 43, place the needle in storing up the needle frame 44 again, use the instrument to promote bottommost BTB connector and remove right on ejection of compact frid 42 and store up needle frame 44 rear side, promote catch bar 34 afterwards and drive contact pin board 35 backward, thereby drive bottommost needle backward movement and BTB connector contact, buffer spring 33 is compressed this moment, accomplish the stitch and insert, no longer promote catch bar 34, buffer spring 33 is tensile drives contact pin board 35 forward movement through catch bar 34 and resets, promote new BTB connector to remove right afterwards and store up needle frame 44 rear side, repeat above actions can, the BTB connector that the contact pin was accomplished can be pushed into finished product storage frame 45 and carry out automatic collection simultaneously.
Example 2
On the basis of embodiment 1, as shown in fig. 3 to 7, the automatic insertion mechanism 5 is further included, the automatic insertion mechanism 5 includes a mounting seat 51, a servo motor 52, a bevel gear set 53, a cam 54 and a connecting rod 55, the mounting seat 51 is arranged on the left front side of the top of the bottom plate 2, the servo motor 52 is arranged on the top of the mounting seat 51, the cam 54 is rotatably arranged on the top of the bottom plate 2, the connecting rod 55 is rotatably connected to the eccentric position of the cam 54, the connecting rod 55 is connected to the push rod 34, and the bevel gear set 53 is connected between the rotating shaft of the cam 54 and the output shaft of the servo motor 52.
The servo motor 52 is started, the output shaft of the servo motor 52 rotates to drive the cam 54 to rotate through the bevel gear set 53, the cam 54 rotates to drive the pushing rod 34 to reciprocate back and forth through the connecting rod 55, and therefore pushing by a human hand is not needed, and the buffer spring 33 changes along with the change of the pushing rod and can play a buffer role.
Still including automatic pushing equipment 6, automatic pushing equipment 6 is including installation guide rail frame 61, sector gear 62, first rack 63, link 64, first reset spring 65 and push rod 66, 1 top rear side of base is equipped with 2 installation guide rail frames 61, sliding connection has first rack 63 on the installation guide rail frame 61 of left side, be connected with first reset spring 65 between first rack 63 and the installation guide rail frame 61 of left side, sliding connection has push rod 66 on the installation guide rail frame 61 of right side, push rod 66 and ejection of compact frid 42 sliding connection, be connected with link 64 between push rod 66 top and the first rack 63, be connected with sector gear 62 on servo motor 52's the output shaft, sector gear 62 and first rack 63 mesh.
The output shaft of the servo motor 52 rotates to drive the sector gear 62 to rotate, when the sector gear 62 rotates to be in contact with the first rack 63, the first rack 63 moves rightwards, the connecting frame 64 drives the push rod 66 to move rightwards to push out the bottommost BTB connector, the first return spring 65 is stretched at the moment, when the sector gear 62 rotates to be not in contact with the first rack 63, the first return spring 65 compresses to drive the push rod 66 to move leftwards through the first rack 63 and the connecting frame 64 to reset, reciprocating is carried out in this way, intermittent blanking can be carried out on the BTB connector without being pushed by a human hand, and a pin is matched.
The clamping mechanism 7 is further included, the clamping mechanism 7 comprises a connecting rod 71, a second rack 72, a transmission gear 73, a third rack 74, a movable groove plate 75, an L-shaped frame 76, a pressing block 77, a first wedge block 78, a second reset spring 79 and a second wedge block 710, the connecting rod 71 is arranged on the right side of the rear portion of the pushing rod 34, the second rack 72 is arranged on the top of the connecting rod 71, the transmission gear 73 is rotatably connected to the right rear side of the top of the bottom plate 2, the transmission gear 73 is meshed with the second rack 72, the movable groove plate 75 is connected to the mounting frame of the transmission gear 73, the L-shaped frame 76 is slidably connected to the top of the bottom plate 2, the third rack 74 is connected to the right portion of the L-shaped frame 76, the third rack 74 is slidably connected to the movable groove plate 75, the third rack 74 is meshed with the transmission gear 73, the first wedge block 78 is slidably connected to the front portion of the L-shaped frame 76, 2 second reset springs 79 are connected between the first wedge block 78 and the top portion of the L-shaped frame 76, the bottom of the first wedge-shaped block 78 is connected with a pressing block 77, the rear side of the needle storage frame 44 is connected with a second wedge-shaped block 710, and the second wedge-shaped block 710 is matched with the first wedge-shaped block 78.
The pushing rod 34 moves backwards, the connecting rod 71 drives the second rack 72 to move backwards, the second rack 72 moves backwards, the transmission gear 73 drives the third rack 74 to move forwards on the movable groove plate 75, the third rack 74 moves forwards, the L-shaped frame 76 drives the first wedge-shaped block 78 to move forwards to be contacted with the second wedge-shaped block 710, the first wedge-shaped block 78 moves downwards to drive the pressing block 77 to move downwards, so that the BTB connector moving to the rear side of the needle storage frame 44 is clamped and fixed, the BTB connector is prevented from being deflected, the second return spring 79 is compressed at the moment, when the pushing rod 34 moves forwards and returns to drive all the parts to perform reverse operation and return, the transmission gear 73 reversely rotates to drive the first wedge-shaped block 78 to move backwards through the third rack 74 and not to be contacted with the second wedge-shaped block 710, and then the second return spring 79 stretches to drive the first wedge-shaped block 78 to move upwards and return, the BTB connector is no longer secured.
Still including secondary insertion mechanism 8, secondary insertion mechanism 8 is including installing support 81, the trigger bar 82, compress tightly post 83 and third reset spring 84, 2 tops on the bottom plate are equipped with installing support 81, installing support 81 is located ejection of compact frid 42 right part front side, sliding connection has the post 83 of compressing tightly on installing support 81, it is connected with 2 third reset spring 84 to compress tightly between post 83 and the installing support 81 inner wall front side, be connected with the trigger bar 82 on the connecting rod 71, the trigger bar 82 with compress tightly the cooperation of post 83.
The BTB connector behind the pin continues to move rightwards to the right part of the discharging groove plate 42, the connecting rod 71 moves backwards to drive the trigger rod 82 to move backwards to be in contact with the pressing column 83, the pressing column 83 moves backwards to extrude the BTB connector behind the pin, secondary insertion is completed, the third return spring 84 is stretched, the connecting rod 71 moves forwards to drive the trigger rod 82 to be not in contact with the pressing column 83 any more, and the third return spring 84 compresses to drive the pressing column 83 to move forwards for resetting.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (3)
1. A pin insertion device of a BTB connector is characterized by comprising:
a plurality of bases (1);
the bottom plate (2) is connected between the tops of the bases (1);
a pin inserting mechanism (3), wherein one side of the top of the bottom plate (2) is provided with the pin inserting mechanism (3);
the storage mechanism (4) is arranged on one side of the top of the bottom plate (2);
the pin inserting mechanism (3) comprises:
the needle inserting device comprises a support frame (31), wherein the support frame (31) is arranged on one side of the top of a bottom plate (2), movable guide frames (32) are symmetrically arranged on the support frame (31), a push rod (34) is connected between the movable guide frames (32) and the upper part of the support frame (31) in a sliding mode, and an inserting needle plate (35) is connected to one side of the push rod (34);
the buffer springs (33), 2 buffer springs (33) are connected between the push rod (34) and the support frame (31);
the material storage mechanism (4) comprises:
the device comprises supporting brackets (41), wherein the supporting brackets (41) are arranged on one side of the top of a bottom plate (2), a material storage frame (43) is connected between the upper parts of the supporting brackets (41), and a discharge groove plate (42) is connected to the bottom of the material storage frame (43);
the needle storage frame (44) is arranged at the top of the bottom plate (2), and the needle storage frame (44) is positioned between the discharge groove plate (42) and the needle inserting plate (35);
a finished product storage frame (45), wherein the top of the bottom plate (2) is provided with the finished product storage frame (45);
still including automatic insertion mechanism (5), automatic insertion mechanism (5) including:
the mounting seat (51) is arranged on one side of the top of the bottom plate (2), and the servo motor (52) is arranged on the top of the mounting seat (51);
the top of the bottom plate (2) is rotatably provided with a cam (54), the cam (54) is rotatably connected with a connecting rod (55) at an eccentric position, and the connecting rod (55) is connected with the push rod (34);
a bevel gear set (53), wherein the bevel gear set (53) is connected between the rotating shaft of the cam (54) and the output shaft of the servo motor (52);
still including automatic pushing equipment (6), automatic pushing equipment (6) including:
installing guide rail frames (61), wherein 2 installing guide rail frames (61) are arranged on one side of the top of the base (1);
the first rack (63) is connected with the guide rail frame (61) on one side in a sliding mode, and a first return spring (65) is connected between the first rack (63) and the guide rail frame (61);
the other side of the push rod (66) is provided with a guide rail frame (61) which is connected with the push rod (66) in a sliding way, and the push rod (66) is connected with the discharging groove plate (42) in a sliding way;
the connecting frame (64) is connected between the top of the push rod (66) and the first rack (63);
the output shaft of the servo motor (52) is connected with a sector gear (62), and the sector gear (62) is meshed with a first rack (63);
still including clamping mechanism (7), clamping mechanism (7) including:
the connecting rod (71) is arranged on the pushing rod (34), and a second rack (72) is arranged at the top of the connecting rod (71);
the transmission gear (73) is rotatably connected to the top of the bottom plate (2), and the transmission gear (73) is meshed with the second rack (72);
the mounting frame of the transmission gear (73) is connected with the movable slotted plate (75);
the top of the bottom plate (2) is connected with the L-shaped frame (76) in a sliding manner, the L-shaped frame (76) is connected with a third rack (74), the third rack (74) is connected with the movable groove plate (75) in a sliding manner, and the third rack (74) is meshed with the transmission gear (73);
the L-shaped frame (76) is connected with a first wedge block (78) in a sliding mode, and 2 second return springs (79) are connected between the first wedge block (78) and the top of the L-shaped frame (76);
the bottom of the first wedge-shaped block (78) is connected with the pressing block (77);
the needle storage frame (44) is connected with a second wedge block (710), and the second wedge block (710) is matched with the first wedge block (78).
2. A pin insertion device for a BTB connector according to claim 1, further comprising a secondary insertion mechanism (8), wherein the secondary insertion mechanism (8) comprises:
the top of the bottom plate (2) is provided with a mounting bracket (81);
the mounting bracket (81) is connected with a pressing column (83) in a sliding mode, and 2 third reset springs (84) are connected between the pressing column (83) and the inner wall of the mounting bracket (81);
the trigger rod (82) is connected to the connecting rod (71), and the trigger rod (82) is matched with the pressing column (83).
3. A pin insertion device of a BTB connector according to claim 2, wherein the pin plate (35) is rake-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110520295.5A CN113410724B (en) | 2021-05-13 | 2021-05-13 | Stitch inserting device of BTB connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110520295.5A CN113410724B (en) | 2021-05-13 | 2021-05-13 | Stitch inserting device of BTB connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113410724A CN113410724A (en) | 2021-09-17 |
| CN113410724B true CN113410724B (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110520295.5A Active CN113410724B (en) | 2021-05-13 | 2021-05-13 | Stitch inserting device of BTB connector |
Country Status (1)
| Country | Link |
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| CN (1) | CN113410724B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61156800A (en) * | 1984-12-28 | 1986-07-16 | 富士通株式会社 | Connector pin inserter |
| JP2004146166A (en) * | 2002-10-23 | 2004-05-20 | Jst Mfg Co Ltd | Connector |
| JP6276095B2 (en) * | 2014-04-04 | 2018-02-07 | 矢崎総業株式会社 | Terminal insertion device and terminal insertion method |
| CN108075344A (en) * | 2018-01-30 | 2018-05-25 | 金少平 | A kind of cam pin mechanism |
| CN110829146B (en) * | 2019-11-25 | 2021-04-20 | 东莞市邦泰自动化科技有限公司 | Pin inserting equipment for BTB connector production |
| CN211480486U (en) * | 2020-04-07 | 2020-09-11 | 东莞市蓝博电子科技有限公司 | Full-automatic pin inserting device of connector |
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2021
- 2021-05-13 CN CN202110520295.5A patent/CN113410724B/en active Active
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| CN113410724A (en) | 2021-09-17 |
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Effective date of registration: 20220512 Address after: 528000 east side of the third floor of self compiled Building 8, No. 16, Qinggong Third Road, Chancheng District, Foshan City, Guangdong Province (residence declaration) Applicant after: Foshan xuanrui Electronic Technology Co.,Ltd. Address before: 518049 room 803, building 5, niumendi Industrial Park, No. 171, Longwei Road, Longwei community, Meilin street, Futian District, Shenzhen, Guangdong Province Applicant before: Liu Yuan |
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