CN101790279A - Composite reinforcing film and manufacturing method thereof - Google Patents
Composite reinforcing film and manufacturing method thereof Download PDFInfo
- Publication number
- CN101790279A CN101790279A CN201010111137A CN201010111137A CN101790279A CN 101790279 A CN101790279 A CN 101790279A CN 201010111137 A CN201010111137 A CN 201010111137A CN 201010111137 A CN201010111137 A CN 201010111137A CN 101790279 A CN101790279 A CN 101790279A
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- layer
- film
- composite reinforcing
- reinforcing film
- lamination
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 68
- 239000002131 composite material Substances 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000003475 lamination Methods 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims description 76
- 210000004400 mucous membrane Anatomy 0.000 claims description 26
- 238000005728 strengthening Methods 0.000 claims description 24
- 239000012790 adhesive layer Substances 0.000 claims description 22
- -1 dioctyl phthalate glycol ester Chemical class 0.000 claims description 22
- 239000004642 Polyimide Substances 0.000 claims description 21
- 229920001721 polyimide Polymers 0.000 claims description 21
- 239000002994 raw material Substances 0.000 claims description 16
- 230000002787 reinforcement Effects 0.000 claims description 13
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 11
- 239000004743 Polypropylene Substances 0.000 claims description 11
- 238000004026 adhesive bonding Methods 0.000 claims description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 11
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 11
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 11
- 229920001155 polypropylene Polymers 0.000 claims description 10
- 239000000047 product Substances 0.000 claims description 10
- 239000011265 semifinished product Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 abstract 2
- 238000007493 shaping process Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 102
- 238000010586 diagram Methods 0.000 description 10
- 239000005030 aluminium foil Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000004379 membrane Anatomy 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012793 heat-sealing layer Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Abstract
The invention discloses a composite reinforcing film and a manufacturing method thereof. The composite reinforcing film comprises a lamination film layer, wherein the lamination film layer comprises a reinforcing layer and a bonding layer; complete slightly-sticking films are adhered to the positive and negative sides of the lamination film layer; the lamination film layer is formed by combining a plurality of sheet lamination films arranged side by side and adjacent lamination films are disconnected to each other. The manufacturing method comprises the steps of: (1) preparing materials; (2) punching into cross strips; (3) peeling off shaping films; (4) adhering slightly-sticking films to the positive and negative sides; and (5) punching into longitudinal strips. The product is more quick and convenient in lamination reinforcing operation. The method has convenient operation and can be implemented quickly and effectively.
Description
Technical field
The invention belongs to flexible print wiring board processing and manufacturing technical field, be specifically related to a kind of composite reinforcing film and manufacture method thereof that is used for lamination reinforcement.
Background technology
Flexible print wiring board (being also referred to as FPC), characteristics are compact, therefore in use are easy to generate bending, scar etc.; Mechanical strength is little, easily be full of cracks.So needing all that generally it is carried out lamination reinforcement handles.The purpose of lamination reinforcement is in order to strengthen the mechanical strength of FPC, to make things convenient for mounted on surface part etc.The reinforced rubber sheet type is multiple, decide according to the goods instructions for use is different, mainly contain polyphenyl dioctyl phthalate glycol ester (being also referred to as PET), polyimides (being also referred to as PI), (gum is a kind of show and colour to gum, generally be to make by the mucigel of one deck PP paper and a skim and centre thereof), metal or resin stiffening plate or the like.
The technological process that traditional use polyimides film carries out reinforcement is:
1. get the raw materials ready: the polyimides reinforcing film that is ready to be provided with successively lamination film layer and release rete; Described lamination film layer comprises polyimide layer and is used to bond the gluing layer of described release rete; So-called release rete is to stick to being used on the gluing layer to avoid the gluing layer to attach the thin film of dust before fitting;
2. die-cut slivering: the polyimides reinforcing film is along crossline direction, die-cut according to predetermined width, obtain the polyimides reinforcing film of a plurality of horizontal stripe shapes;
3. die-cut in flakes: along the in-line direction of polyimides reinforcing film, die-cut again according to predetermined width, obtain the polyimides reinforcing film of a plurality of sheets;
4. monolithic tears release film: get the polyimides reinforcing film of each sheet, peel off its release film, obtain having the applying film of polyimide layer and gluing layer;
5. monolithic is fitted: the reinforcement applying is carried out in the default reinforcement position of the gluing layer of applying film being aimed at flexible print wiring board.
The die-cut sheet reinforcing film that obtains is very little, that have even big less than nail cover in the cause more and more miniaturization of product now, above-mentioned steps 3., cause above-mentioned steps 4. in, the operation that the operating personnel peels off release film is wasted time and energy, operating efficiency is lower, contraposition also is difficult to accurately, and the product yield is low.
Summary of the invention
The purpose of this invention is to provide a kind of lamination reinforcement and operate the comparatively composite reinforcing film of quick and convenient.
Another object of the present invention provides the preparation method of above-mentioned composite reinforcing film.
The technical scheme that realizes first purpose of the present invention is: a kind of composite reinforcing film, comprise lamination film layer, and described lamination film layer comprises strengthening course and adhesive layer; The tow sides of described lamination film layer all are stained with little mucous membrane of whole; Described lamination film layer is formed by the applying membrane combination of a plurality of sheets that are arranged side by side, and adjacent respectively fitting disconnects between the diaphragm each other.
In the such scheme, the adhesion between used little mucous membrane and the lamination film layer MR medium reinforcing layer is less than the adhesion between the rete of the default reinforcement position of adhesive layer and flexible print wiring board in the described lamination film layer.
In the such scheme, described strengthening course material therefor is polyphenyl dioctyl phthalate glycol ester, polyimides, metal or polypropylene.
In the such scheme, described strengthening course material therefor preferably adopts polyphenyl dioctyl phthalate glycol ester, polyimides or polypropylene.
In the such scheme, described lamination film layer is to be combined by the identical applying diaphragm repeated arrangement of a plurality of sizes; Described adhesive layer is gluing layer or hot sealing layer.
The technical scheme that realizes second purpose of the present invention is: a kind of manufacture method of composite reinforcing film may further comprise the steps:
1. get the raw materials ready: the raw material film that is ready to be provided with successively lamination film layer and release rete; Described lamination film layer comprises strengthening course and is used to bind the adhesive layer of described strengthening course and release rete;
2. be die-cut into horizontal stripe: the raw material film is along crossline direction, die-cut according to predetermined width, obtain the raw material film of a plurality of horizontal stripe shapes;
3. tear release film: peel off the release rete on the horizontal stripe shape raw material film, obtain the applying film of a plurality of horizontal stripe shapes;
4. positive and negative pastes little mucous membrane: the tow sides at a plurality of horizontal stripe shape applying films are all pasted little mucous membrane of one whole, make described a plurality of horizontal stripe shape applying film be bonded to an integral body by little mucous membrane, thereby be provided with little mucous layer successively,, lamination film layer and little mucous layer, the semi-finished product composite reinforcing film;
5. be die-cut into taeniae: along the in-line direction of semi-finished product reinforcing film, die-cut again according to predetermined width, obtain the finished product composite reinforcing film of a plurality of taeniae shapes; Between two-layer little mucous membrane, comprise a plurality of sheets and the applying diaphragm that disconnects each other about in this finished product composite reinforcing film.
In the said method, the adhesion between used little mucous membrane and the lamination film layer MR medium reinforcing layer is less than the adhesion between the rete of the default reinforcement position of adhesive layer and flexible print wiring board in the described lamination film layer.
In the said method, described strengthening course material therefor is polyphenyl dioctyl phthalate glycol ester, polyimides, metal or polypropylene.
In the said method, described strengthening course material therefor preferably adopts polyphenyl dioctyl phthalate glycol ester, polyimides or polypropylene.
In the said method, described lamination film layer is to be combined by the identical applying diaphragm repeated arrangement of a plurality of sizes; Described adhesive layer is gluing layer or hot sealing layer.
The present invention has positive effect: in (1) composite reinforcing film of the present invention, comprise lamination film layer, described lamination film layer comprises strengthening course and adhesive layer; The tow sides of described lamination film layer all are stained with little mucous membrane of whole; Described lamination film layer is formed by the applying membrane combination of a plurality of sheets that are arranged side by side, and adjacent respectively fitting disconnects between the diaphragm each other.In use, the composite reinforcing film of the whole piece of taking peels off and sticks to the little mucous membrane on the adhesive layer in the lamination film layer, the applying diaphragm that exposes sheet and disconnect each other, fit one by one again, avoided in the conventional method, because the too small shortcoming that is difficult to peel off fast release film of applying diaphragm.
(2) the inventive method operation is convenient, can effectively implement fast, is fit to various single-sided lamination reinforcement technologies.
Description of drawings
Fig. 1 is a kind of structural representation of composite reinforcing film of the present invention;
Fig. 2 is for being die-cut into the schematic diagram of horizontal stripe step in the manufacture method of composite reinforcing film of the present invention;
Fig. 3 is for tearing the schematic diagram of release film step in the manufacture method of composite reinforcing film of the present invention;
Fig. 4 pastes the schematic diagram of little mucous membrane step for positive and negative in the manufacture method of composite reinforcing film of the present invention;
Fig. 5 is for being die-cut into the schematic diagram of taeniae step in the manufacture method of composite reinforcing film of the present invention;
Fig. 6 is a kind of structural representation that carries out the finished product composite reinforcing film of the taeniae shape that obtains after the step shown in Figure 5;
Fig. 7 is a kind of application schematic diagram of composite reinforcing film shown in Figure 6.
Reference numeral is: lamination film layer 1, applying diaphragm 10, strengthening course 11, adhesive layer 12, little mucous membrane 2, release rete 3, horizontal die-cut line a, vertical die-cut line b.
Embodiment
(embodiment 1, composite reinforcing film)
Fig. 1 is a kind of structural representation of composite reinforcing film of the present invention, has shown first kind of embodiment of composite reinforcing film of the present invention,
Present embodiment is a kind of composite reinforcing film, comprises lamination film layer 1, and described lamination film layer 1 comprises strengthening course 11 and adhesive layer 12; The tow sides of described lamination film layer 1 all are stained with little mucous membrane 2 of whole; Described lamination film layer 1 is combined by the applying diaphragm 10 of a plurality of sheets that are arranged side by side, and adjacent respectively fitting disconnects between the diaphragm 10 each other.
Adhesion between used little mucous membrane 2 and the lamination film layer 1 MR medium reinforcing layer 11 is less than the adhesion between the rete of the default reinforcement position of adhesive layer 12 and flexible print wiring board in the described lamination film layer 1.
Described lamination film layer 1 is to be combined by identical applying diaphragm 10 repeated arrangement of a plurality of sizes; Described adhesive layer 12 is gluing layers.
In the present embodiment, described strengthening course 11 material therefors are polyimides.In concrete practice, described strengthening course 11 material therefors can also be selected polyphenyl dioctyl phthalate glycol ester, polypropylene or aluminium foil etc. for use.
(embodiment 2, composite reinforcing film)
Present embodiment is substantially the same manner as Example 1, and difference is: described adhesive layer 12 is polyethylene heat-sealing layers.
(manufacture method of embodiment 3, composite reinforcing film)
Fig. 2 to Fig. 7 has shown a kind of embodiment of the manufacture method of composite reinforcing film of the present invention, and wherein, Fig. 2 is for being die-cut into the schematic diagram of horizontal stripe step in the manufacture method of composite reinforcing film of the present invention; Fig. 3 is for tearing the schematic diagram of release film step in the manufacture method of composite reinforcing film of the present invention; Fig. 4 pastes the schematic diagram of little mucous membrane step for positive and negative in the manufacture method of composite reinforcing film of the present invention; Fig. 5 is for being die-cut into the schematic diagram of taeniae step in the manufacture method of composite reinforcing film of the present invention; Fig. 6 is a kind of structural representation that carries out the finished product composite reinforcing film of the taeniae shape that obtains after the step shown in Figure 5; Fig. 7 is a kind of application schematic diagram of composite reinforcing film shown in Figure 6.
Present embodiment is the manufacture method of the foregoing description 1, may further comprise the steps:
1. get the raw materials ready: the raw material film that is ready to be provided with successively lamination film layer 1 and release rete 3; Described lamination film layer 1 comprises strengthening course 11 and is used to bind the adhesive layer 12 of described strengthening course 11 and release rete 3; Described strengthening course 11 material therefors are polyimides, and described adhesive layer 12 is gluing layers;
2. be die-cut into horizontal stripe: see Fig. 2, the raw material film is along horizontal line a direction, die-cut according to predetermined width, obtain the raw material film of a plurality of horizontal stripe shapes;
3. tear release film: see Fig. 3, peel off the release rete 3 on the horizontal stripe shape raw material film, obtain the applying film 1 of a plurality of horizontal stripe shapes;
4. positive and negative pastes little mucous membrane: see Fig. 4, tow sides at a plurality of horizontal stripe shape applying films are all pasted little mucous membrane 2 of one whole, make described a plurality of horizontal stripe shape applying film be bonded to an integral body by little mucous membrane 2, thereby be provided with little mucous layer 2 successively,, lamination film layer 1 and little mucous layer 2, the semi-finished product composite reinforcing film;
5. be die-cut into taeniae: see Fig. 5, along the ordinate b direction of semi-finished product reinforcing film, die-cut again according to predetermined width, obtain the finished product composite reinforcing film (Fig. 1 and shown in Figure 6) of a plurality of taeniae shapes; Between two-layer little mucous membrane 2, comprise a plurality of sheets and the applying diaphragm 10 that disconnects each other about in this finished product composite reinforcing film.Dotted line shown in Fig. 5 is a step horizontal line a direction 2., also is the striping of adjacent applying diaphragm.
In the present embodiment, described strengthening course 11 material therefors are polyimides.In concrete practice, described strengthening course 11 material therefors can also be selected polyphenyl dioctyl phthalate glycol ester, polypropylene or aluminium foil etc. for use.
See Fig. 7, the composite reinforcing film that present embodiment is made in use, peel off earlier and stick to the little mucous membrane 2 on the adhesive layer in the lamination film layer, the applying diaphragm 10 that exposes sheet and disconnect each other, fit one by one again, avoided in the conventional method, because the too small shortcoming that is difficult to peel off fast release film of applying diaphragm.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that connotation of the present invention extends out and still belong to protection scope of the present invention.
Claims (10)
1. a composite reinforcing film comprises lamination film layer (1), and described lamination film layer (1) comprises strengthening course (11) and adhesive layer (12); It is characterized in that: the tow sides of described lamination film layer (1) all are stained with little mucous membrane (2) of whole; Described lamination film layer (1) is combined by the applying diaphragm (10) of a plurality of sheets that are arranged side by side, and disconnects each other between the adjacent diaphragm of respectively fitting (10).
2. composite reinforcing film according to claim 1 is characterized in that: the adhesion between used little mucous membrane (2) and lamination film layer (1) the MR medium reinforcing layer (11) is less than the adhesion between middle adhesive layer (12) of described lamination film layer (1) and the default reinforcement position of the flexible print wiring board rete.
3. composite reinforcing film according to claim 1 is characterized in that: described strengthening course (11) material therefor is polyphenyl dioctyl phthalate glycol ester, polyimides, metal or polypropylene.
4. composite reinforcing film according to claim 3 is characterized in that: described strengthening course (11) material therefor is polyphenyl dioctyl phthalate glycol ester, polyimides or polypropylene.
5. composite reinforcing film according to claim 1 is characterized in that: described lamination film layer (1) is to be combined by identical applying diaphragm (10) repeated arrangement of a plurality of sizes; Described adhesive layer (12) is gluing layer or hot sealing layer.
6. the manufacture method of the described composite reinforcing film of claim 1 may further comprise the steps:
1. get the raw materials ready: the raw material film that is ready to be provided with successively lamination film layer (1) and release rete (3); Described lamination film layer (1) comprises strengthening course (11) and is used to bind the adhesive layer (12) of described strengthening course (11) and release rete (3);
2. be die-cut into horizontal stripe: the raw material film is along crossline direction, die-cut according to predetermined width, obtain the raw material film of a plurality of horizontal stripe shapes;
3. tear release film: peel off the release rete (3) on the horizontal stripe shape raw material film, obtain the applying film (1) of a plurality of horizontal stripe shapes;
4. positive and negative pastes little mucous membrane: all paste little mucous membrane (2) of one whole at the tow sides of a plurality of horizontal stripe shape applying films, make described a plurality of horizontal stripe shape applying film be bonded to an integral body by little mucous membrane (2), thereby be provided with little mucous layer (2) successively, lamination film layer (1) and little mucous layer (2), the semi-finished product composite reinforcing film;
5. be die-cut into taeniae: along the in-line direction of semi-finished product reinforcing film, die-cut again according to predetermined width, obtain the finished product composite reinforcing film of a plurality of taeniae shapes; Between two-layer little mucous membrane (2), comprise a plurality of sheets and the applying diaphragm (10) that disconnects each other about in this finished product composite reinforcing film.
7. the manufacture method of composite reinforcing film according to claim 6 is characterized in that: the adhesion between used little mucous membrane (2) and lamination film layer (1) the MR medium reinforcing layer (11) is less than adhesive layer (12) and flexible print wiring board in the described lamination film layer (1) and presets adhesion between the rete of reinforcement position.
8. the manufacture method of composite reinforcing film according to claim 6, it is characterized in that: described strengthening course (11) material therefor is polyphenyl dioctyl phthalate glycol ester, polyimides, metal or polypropylene.
9. the manufacture method of composite reinforcing film according to claim 8, it is characterized in that: described strengthening course (11) material therefor is polyphenyl dioctyl phthalate glycol ester, polyimides or polypropylene.
10. the manufacture method of composite reinforcing film according to claim 6, it is characterized in that: described lamination film layer (1) is to be combined by identical applying diaphragm (10) repeated arrangement of a plurality of sizes; Described adhesive layer (12) is gluing layer or hot sealing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101111376A CN101790279B (en) | 2010-02-02 | 2010-02-02 | Composite reinforcing film and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101111376A CN101790279B (en) | 2010-02-02 | 2010-02-02 | Composite reinforcing film and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101790279A true CN101790279A (en) | 2010-07-28 |
| CN101790279B CN101790279B (en) | 2012-02-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101111376A Active CN101790279B (en) | 2010-02-02 | 2010-02-02 | Composite reinforcing film and manufacturing method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN101790279B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104378919A (en) * | 2014-10-23 | 2015-02-25 | 苏州米达思精密电子有限公司 | Method for producing regular typesetting reinforce panels |
| CN105578729A (en) * | 2016-01-29 | 2016-05-11 | 上海温良昌平电器科技股份有限公司 | One-piece aluminum reinforcing flexible circuit board and technology |
| CN105578728A (en) * | 2016-01-29 | 2016-05-11 | 上海温良昌平电器科技股份有限公司 | One-piece aluminum flexible circuit board with support layer switching function and preparation technology |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3895125B2 (en) * | 2001-04-12 | 2007-03-22 | 日東電工株式会社 | Flexible printed circuit board with reinforcing plate |
| CN101243734A (en) * | 2005-06-24 | 2008-08-13 | 3M创新有限公司 | Printed wiring board manufacturing process |
| CN201663753U (en) * | 2010-02-02 | 2010-12-01 | 浙江龙威电子科技有限公司 | Compound reinforcing membrane |
-
2010
- 2010-02-02 CN CN2010101111376A patent/CN101790279B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104378919A (en) * | 2014-10-23 | 2015-02-25 | 苏州米达思精密电子有限公司 | Method for producing regular typesetting reinforce panels |
| CN104378919B (en) * | 2014-10-23 | 2017-09-29 | 苏州米达思精密电子有限公司 | A kind of production method of rule composing reinforcing chip |
| CN105578729A (en) * | 2016-01-29 | 2016-05-11 | 上海温良昌平电器科技股份有限公司 | One-piece aluminum reinforcing flexible circuit board and technology |
| CN105578728A (en) * | 2016-01-29 | 2016-05-11 | 上海温良昌平电器科技股份有限公司 | One-piece aluminum flexible circuit board with support layer switching function and preparation technology |
| CN105578729B (en) * | 2016-01-29 | 2018-04-06 | 上海温良昌平电器科技股份有限公司 | A kind of whole plate aluminium reinforcing flexible wiring board and technique |
| CN105578728B (en) * | 2016-01-29 | 2018-04-06 | 上海温良昌平电器科技股份有限公司 | A kind of whole plate aluminium FPC and preparation technology with bearing bed signaling transfer point |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101790279B (en) | 2012-02-29 |
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Address after: 325600 No. five, No. 187, weft Road, Yueqing Economic Development Zone, Zhejiang, China Patentee after: JD LONGWAYFLEX CO.,LTD. Address before: 325600 seventeen Road, Yueqing Economic Development Zone, Zhejiang, China Patentee before: LONGWEI ELECTRONICS Co.,Ltd. |
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Effective date of registration: 20210508 Address after: No. 187, Weiwu Road, Yueqing Economic Development Zone, Yueqing City, Wenzhou City, Zhejiang Province 325600 Patentee after: Zhejiang Qiaolong Electronic Technology Co.,Ltd. Address before: No. 187, Weiwu Road, Yueqing Economic Development Zone, Zhejiang 325600 Patentee before: JD LONGWAYFLEX Co.,Ltd. |
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Address after: No. 187, Weiwu Road, Yueqing Economic Development Zone, Yueqing City, Wenzhou City, Zhejiang Province 325600 Patentee after: Zhejiang Yilian Electronics Co.,Ltd. Country or region after: China Address before: No. 187, Weiwu Road, Yueqing Economic Development Zone, Yueqing City, Wenzhou City, Zhejiang Province 325600 Patentee before: Zhejiang Qiaolong Electronic Technology Co.,Ltd. Country or region before: China |