CN103963505A - Production technology of holographic anti-counterfeiting film - Google Patents
Production technology of holographic anti-counterfeiting film Download PDFInfo
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- CN103963505A CN103963505A CN201410167293.2A CN201410167293A CN103963505A CN 103963505 A CN103963505 A CN 103963505A CN 201410167293 A CN201410167293 A CN 201410167293A CN 103963505 A CN103963505 A CN 103963505A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000005516 engineering process Methods 0.000 title abstract description 8
- 239000000853 adhesive Substances 0.000 claims abstract description 12
- 230000001070 adhesive effect Effects 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 54
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 52
- 239000011248 coating agent Substances 0.000 claims description 37
- 238000000576 coating method Methods 0.000 claims description 37
- 239000011241 protective layer Substances 0.000 claims description 28
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 16
- 229920005989 resin Polymers 0.000 claims description 16
- 210000002469 basement membrane Anatomy 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 239000004816 latex Substances 0.000 claims description 10
- 229920000126 latex Polymers 0.000 claims description 10
- 239000004925 Acrylic resin Substances 0.000 claims description 9
- 229920000178 Acrylic resin Polymers 0.000 claims description 9
- 238000004026 adhesive bonding Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 229920002301 cellulose acetate Polymers 0.000 claims description 5
- 241000209094 Oryza Species 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 4
- 235000009566 rice Nutrition 0.000 claims description 4
- 238000001771 vacuum deposition Methods 0.000 claims description 4
- 239000005083 Zinc sulfide Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 2
- 229920002799 BoPET Polymers 0.000 abstract description 12
- 230000007547 defect Effects 0.000 abstract description 2
- 238000007639 printing Methods 0.000 abstract description 2
- 238000007723 die pressing method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 17
- 229920000139 polyethylene terephthalate Polymers 0.000 description 11
- 239000003085 diluting agent Substances 0.000 description 4
- 238000005242 forging Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 210000004379 membrane Anatomy 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The invention discloses a production technology of a holographic anti-counterfeiting film, and belongs to the field of the laser anti-counterfeit technology. A transfer mode is adopted, a PET film is firstly adopted as a carrier, a transfer layer and an information layer are coated in sequence at the temperature of 60 DEG C to 80 DEG C, printing of holographic anti-counterfeiting information is achieved, the completion and clearness of the holographic information are guaranteed, and then the information layer with a hologram is fully transferred to a PVC film through adhesives. The technological defects that a traditional PVC holographic anti-counterfeiting film cannot be heated and pressurized, and a holographic image cannot be obtained in a direct die pressing mode are overcome.
Description
Technical field
The present invention relates to a kind of holographic false proof film production process, belong to field of anti-counterfeit technology.
Background technology
Holographic false proof refers to a kind of anti-counterfeiting technology of utilizing laser color hologram plate-making technology and moulding replication technology to complete, at present, holographic anti-counterfeiting film generally adopts PET film or OPP film as carrier, then on carrier, be coated with successively Information Level and the protective layer with hologram, but because a lot of certificate adopts PVC material more, cause the holographic anti-counterfeiting film that PET film or OPP film are carrier to be difficult to fit tightly on the certificate of PVC material, this is just in the urgent need to researching and developing a kind of holographic anti-counterfeiting film taking PVC film as carrier, mainly there is following defect in the holographic false proof film production process taking PVC film as carrier in the market:
Because PVC film non-refractory, exceed 80 DEG C and be just easy to distortion, and the molding temperature of holographic anti-counterfeiting film is generally 120 DEG C-200 DEG C, so holographic embossing technique of pressurization of heating of the inapplicable routine of holographic anti-counterfeiting film taking PVC film as carrier, can only adopt UV curing mode, in process of production can be because of reasons such as liquid coating are mobile, mold pressing is big or small and UV is curing, lost part hologram fringe, and then cause the definition of hologram influenced.
In view of this, the inventor studies this, develops specially a kind of holographic false proof film production process, and this case produces thus.
Summary of the invention
The object of this invention is to provide a kind of holographic false proof film production process; pass through transfer method; first using PET basement membrane as carrier; then transfer layer, holographic false proof Information Level, protective layer are coated on PET basement membrane successively; with PVC latex, epilamellar PET all adhesion layers are transferred to PVC film again, finally obtain holographic false proof information completely, PVC holographic anti-counterfeiting film clearly.
To achieve these goals, solution of the present invention is:
A kind of holographic false proof film production process, comprises the steps:
1) on PET basement membrane, be coated with transfer layer, coating speed is 120-125m/min, and the thickness of transfer layer is 1.2-1.5 μ m, coating post-drying, and oven temperature is 60-80 DEG C;
2) on above-mentioned transfer layer, be coated with Information Level, coating speed is 120-125m/min, and information layer thicknesses is 2.0-2.5 μ m, coating post-drying, and oven temperature is 60-80 DEG C;
3) adopt pressing film roller to carry out press mold to Information Level, holographic version is impressed into hologram pattern on Information Level, and molding temperature is 60-80 DEG C, mold pressing speed 40-45 m/min;
4) holographic film obtaining after impression carries out Vacuum Deposition medium, forms protective layer, and protective layer thickness is 0.17-0.2 μ m;
5) blade coating adhesive on above-mentioned protective layer, described adhesive is selected poly-ethyl acetate latex, gluing temperature is 24-26 DEG C, spread is every square metre of 8-10 gram (wet amount), then PVC film is compounded on protective layer and dries, and compound baking oven length is 25-32 rice (the above baking oven of 6 joint), speed 10-12 rice per minute, baking oven the first half distance (first three joint) temperature is 30-35 DEG C, and later half distance (rear three joints) temperature is 25-30 DEG C, the pressure 0.28-0.32Mpa between compound tense deflector roll;
6) finally PET basement membrane is peeled off, completed PVC holographic false proof film production.
As preferably, above-mentioned steps 1) described transfer layer is by 9-12%(mass ratio) cellulose acetate resin, 15-18%(mass ratio) and acroleic acid resin and 71-76%(mass ratio) ethyl acetate formulated.
As preferably, above-mentioned steps 2) described Information Level is by 27-37%(mass ratio) acrylic resin, 52-62%(mass ratio) ethyl acetate and 7-12%(mass ratio) butanone is formulated.
As preferably, above-mentioned steps 4) described protective layer medium is wherein a kind of in aluminium, zinc sulphide or silica.
Above-mentioned holographic false proof film production process, compared with traditional PVC holographic false proof film production process, tool has the following advantages:
1, adopt the mode shifting, first taking PET film as carrier, at the temperature of 60-80 DEG C, be coated with successively transfer layer and Information Level, complete the printing of holographic false proof information, ensure the complete, clear of holographic information, with adhesive, the Information Level with hologram is all transferred on PVC film, solved conventional P VC holographic anti-counterfeiting film because being unable to undergo the pressurization of heating, directly mold pressing obtains the defective workmanship of hologram image;
2, in numerous acrylic resins and celluosic resin, apolegamy is applicable to transfer layer and the hologram layer of the physical and chemical property of PVC film, and select high volatile volatile can ethyl acetate and butanone as diluent, ensure the compacting quality of hologram, can make again PET film peel off from transfer layer smoothly and intactly;
3, transfer layer, Information Level coating, and hologram impression selected low temperature coated stoving process and the contour forging technique different with conventional holographic coating, further ensures the complete, clear of holographic false proof information;
4, adopt low temperature latex to solidify branch mode, do not affecting under the prerequisite of PVC film stretching, by the mode of holographic anti-counterfeiting film protective layer gluing; then low-temperature setting; holographic false proof layer on original PET film is all transferred on PVC film, obtained hologram image clear, complete PVC holographic anti-counterfeiting film.
Below in conjunction with specific embodiment, the present invention is described in further detail.
Detailed description of the invention
embodiment 1
A kind of holographic false proof film production process, comprises the steps:
1) on PET basement membrane, be coated with transfer layer, coating speed is 120m/min, the thickness of transfer layer is 1.2 μ m, coating post-drying, oven temperature is 60 DEG C, and described transfer layer is by 9%(mass ratio) cellulose acetate resin, 15%(mass ratio) B850 acroleic acid resin and 76%(mass ratio) ethyl acetate formulated;
2) on above-mentioned transfer layer, be coated with Information Level, coating speed is 120m/min, information layer thicknesses is 2.0 μ m, coating post-drying, oven temperature is 60 DEG C, described Information Level by 27% 9015 acrylic resin resins, evaporation rate faster 61% ethyl acetate and 12% butanone formulated as solvent dilution; In the time of the synthetic resin of preparation transfer layer and Information Level, filming performance, tensile property, surface tension and the PVC membrane property that need to the take into full account described coating requirement that matches; In numerous acrylic resins and celluosic resin, apolegamy is applicable to transfer layer and the hologram layer of the physical and chemical property of PVC film, and select high volatile volatile can ethyl acetate and butanone as diluent, ensure the compacting quality of hologram, can make again PET film peel off from transfer layer smoothly and intactly;
3) adopt pressing film roller to carry out press mold to Information Level, holographic version is impressed into hologram pattern on Information Level, and molding temperature is 60 DEG C, mold pressing speed 40m/min, and the hologram fringe degree of depth, striped are identical with common holographic anti-counterfeiting film; Because selected the Information Level of the low temperature that is applicable to PVC characteristic, the softening point of Information Level declines, and adopts conventional mould pressing process can cause sticky version (hologram layer dissolves and adheres in holographic version), so the mould pressing process of this step must be with PVC characteristic to consistent; The coating of transfer layer, Information Level, and hologram impression selected low temperature coated stoving process and the contour forging technique different with conventional holographic coating, further ensures the complete, clear of holographic false proof information;
4) holographic film obtaining after impression carries out vacuum aluminum-coated, forms protective layer, and protective layer thickness is 0.17 μ m;
5) blade coating adhesive on above-mentioned protective layer, described adhesive is selected poly-ethyl acetate latex, gluing temperature is 24 DEG C, spread is 8 grams every square metre (wet amounts), then PVC film be compounded on protective layer and dry, compound baking oven length is 10 meters per minute of 25 meters of (being generally the above baking oven of 6 joint) speed, and first three joint temperature of baking oven is 30 DEG C, rear three joint temperature are 25 DEG C, the pressure 0.28Mpa between compound tense deflector roll; Adopt low temperature latex to solidify branch mode, do not affecting under the front topic of PVC film stretching, by the mode of holographic anti-counterfeiting film protective layer gluing, then low-temperature setting, holographic false proof layer on original PET film is all transferred on PVC film, obtained hologram image clear, complete PVC holographic anti-counterfeiting film;
6) finally PET basement membrane is peeled off, completed PVC holographic false proof film production.
embodiment 2
A kind of holographic false proof film production process, comprises the steps:
1) on PET basement membrane, be coated with transfer layer, coating speed is 122m/min, the thickness of transfer layer is 1.4 μ m, coating post-drying, oven temperature is 70 DEG C, and described transfer layer is by 10%(mass ratio) cellulose acetate resin, 17%(mass ratio) B850 acroleic acid resin and 73%(mass ratio) ethyl acetate formulated;
2) on above-mentioned transfer layer, be coated with Information Level, coating speed is 122m/min, information layer thicknesses is 2.3 μ m, coating post-drying, oven temperature is 70 DEG C, described Information Level by 35% 9015 acrylic resin resins, evaporation rate faster 58% ethyl acetate and 7% butanone formulated as solvent dilution, described percentage is mass ratio; In the time of the synthetic resin of preparation transfer layer and Information Level, filming performance, tensile property, surface tension and the PVC membrane property that need to the take into full account described coating requirement that matches; In numerous acrylic resins and celluosic resin, apolegamy is applicable to transfer layer and the hologram layer of the physical and chemical property of PVC film, and select high volatile volatile can ethyl acetate and butanone as diluent, ensure the compacting quality of hologram, can make again PET film peel off from transfer layer smoothly and intactly;
3) adopt pressing film roller to carry out press mold to Information Level, holographic version is impressed into hologram pattern on Information Level, and molding temperature is 70 DEG C, mold pressing speed 42m/min, and the hologram fringe degree of depth, striped are identical with common holographic anti-counterfeiting film; Because selected the Information Level of the low temperature that is applicable to PVC characteristic, the softening point of Information Level declines, and adopts conventional mould pressing process can cause sticky version (hologram layer dissolves and adheres in holographic version), so the mould pressing process of this step must be with PVC characteristic to consistent; The coating of transfer layer, Information Level, and hologram impression selected low temperature coated stoving process and the contour forging technique different with conventional holographic coating, further ensures the complete, clear of holographic false proof information;
4) holographic film obtaining after impression carries out Vacuum Deposition zinc sulphide, forms protective layer, and protective layer thickness is 0.19 μ m;
5) blade coating adhesive on above-mentioned protective layer, described adhesive is selected poly-ethyl acetate latex, gluing temperature is 25 DEG C, spread is 9 grams every square metre (wet amounts), then PVC film be compounded on protective layer and dry, compound baking oven length is 11 meters per minute of 25 meters of (being generally the above baking oven of 6 joint) speed, and first three joint temperature of baking oven is 32 DEG C, rear three joint temperature are 28 DEG C, the pressure 0.3Mpa between compound tense deflector roll; Adopt low temperature latex to solidify branch mode, do not affecting under the front topic of PVC film stretching, by the mode of holographic anti-counterfeiting film protective layer gluing, then low-temperature setting, holographic false proof layer on original PET film is all transferred on PVC film, obtained hologram image clear, complete PVC holographic anti-counterfeiting film;
6) finally PET basement membrane is peeled off, completed PVC holographic false proof film production.
embodiment 3
A kind of holographic false proof film production process, comprises the steps:
1) on PET basement membrane, be coated with transfer layer, coating speed is 125m/min, the thickness of transfer layer is 1.5 μ m, coating post-drying, oven temperature is 80 DEG C, and described transfer layer is by 11%(mass ratio) cellulose acetate resin, 18%(mass ratio) B850 acroleic acid resin and 71%(mass ratio) ethyl acetate formulated;
2) on above-mentioned transfer layer, be coated with Information Level, coating speed is 125m/min, information layer thicknesses is 2.5 μ m, coating post-drying, oven temperature is 80 DEG C, described Information Level by 37% 9015 acrylic resins, evaporation rate faster 52% ethyl acetate and 11% butanone formulated as solvent dilution, described percentage is mass ratio; In the time of the synthetic resin of preparation transfer layer and Information Level, filming performance, tensile property, surface tension and the PVC membrane property that need to the take into full account described coating requirement that matches; In numerous acrylic resins and celluosic resin, apolegamy is applicable to transfer layer and the hologram layer of the physical and chemical property of PVC film, and select high volatile volatile can ethyl acetate and butanone as diluent, ensure the compacting quality of hologram, can make again PET film peel off from transfer layer smoothly and intactly;
3) adopt pressing film roller to carry out press mold to Information Level, holographic version is impressed into hologram pattern on Information Level, and molding temperature is 80 DEG C, mold pressing speed 45m/min, and the hologram fringe degree of depth, striped are identical with common holographic anti-counterfeiting film; Because selected the Information Level of the low temperature that is applicable to PVC characteristic, the softening point of Information Level declines, and adopts conventional mould pressing process can cause sticky version (hologram layer dissolves and adheres in holographic version), so the mould pressing process of this step must be with PVC characteristic to consistent; The coating of transfer layer, Information Level, and hologram impression selected low temperature coated stoving process and the contour forging technique different with conventional holographic coating, further ensures the complete, clear of holographic false proof information;
4) holographic film obtaining after impression carries out Vacuum Deposition silica, forms protective layer, and protective layer thickness is 0.2 μ m;
5) blade coating adhesive on above-mentioned protective layer, described adhesive is selected poly-ethyl acetate latex, gluing temperature is 26 DEG C, spread is 10 grams every square metre (wet amounts), then PVC film be compounded on protective layer and dry, compound baking oven length is 12 meters per minute of 32 meters of (being generally the above baking oven of 6 joint) speed, and first three joint temperature of baking oven is 35 DEG C, rear three joint temperature are 30 DEG C, the pressure 0.32Mpa between compound tense deflector roll; Adopt low temperature latex to solidify branch mode, do not affecting under the front topic of PVC film stretching, by the mode of holographic anti-counterfeiting film protective layer gluing, then low-temperature setting, holographic false proof layer on original PET film is all transferred on PVC film, obtained hologram image clear, complete PVC holographic anti-counterfeiting film;
6) finally PET basement membrane is peeled off, completed PVC holographic false proof film production.
Above-described embodiment non-limiting product form of the present invention and style, suitable variation or modification that any person of an ordinary skill in the technical field does it, all should be considered as not departing from patent category of the present invention.
Claims (4)
1. a holographic false proof film production process, is characterized in that comprising the steps:
1) on PET basement membrane, be coated with transfer layer, coating speed is 120-125m/min, and the thickness of transfer layer is 1.2-1.5 μ m, coating post-drying, and oven temperature is 60-80 DEG C;
2) on above-mentioned transfer layer, be coated with Information Level, coating speed is 120-125m/min, and information layer thicknesses is 2.0-2.5 μ m, coating post-drying, and oven temperature is 60-80 DEG C;
3) adopt pressing film roller to carry out press mold to Information Level, holographic version is impressed into hologram pattern on Information Level, and molding temperature is 60-80 DEG C, mold pressing speed 40-45 m/min;
4) holographic film obtaining after impression carries out Vacuum Deposition medium, forms protective layer, and protective layer thickness is 0.17-0.2 μ m;
5) blade coating adhesive on above-mentioned protective layer, described adhesive is selected poly-ethyl acetate latex, gluing temperature is 24-26 DEG C, spread is every square metre of wet amount 8-10 gram, then PVC film is compounded on protective layer and dries, and compound baking oven length is 25-32 rice, speed 10-12 rice per minute, baking oven the first half distance temperature is 30-35 DEG C, and later half distance temperature is 25-30 DEG C, the pressure 0.28-0.32Mpa between compound tense deflector roll;
6) finally PET basement membrane is peeled off, completed PVC holographic false proof film production.
2. a kind of holographic false proof film production process as claimed in claim 1, is characterized in that: above-mentioned steps 1) described transfer layer is formulated by 9-12% cellulose acetate resin, the acroleic acid resin of 15-18% and the ethyl acetate of 71-76%.
3. a kind of holographic false proof film production process as claimed in claim 1, is characterized in that: above-mentioned steps 2) described Information Level is formulated by acrylic resin, 52-62% ethyl acetate and the 7-12% butanone of 27-37%.
4. a kind of holographic false proof film production process as claimed in claim 1, is characterized in that: above-mentioned steps 4) described protective layer medium is wherein a kind of in aluminium, zinc sulphide or silica.
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Cited By (4)
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| CN104385801A (en) * | 2014-11-18 | 2015-03-04 | 绍兴京华激光制品有限公司 | Micro-nano holographic anti-counterfeiting film for paper certificates, and production process and application thereof |
| CN106079953A (en) * | 2016-06-14 | 2016-11-09 | 昆明瑞丰印刷有限公司 | A kind of preparation method of holographic anti-counterfeiting film |
| CN106297548A (en) * | 2016-08-15 | 2017-01-04 | 南通立方新材料科技有限公司 | A kind of heat-resisting holographic anti-counterfeiting film |
| CN110171218A (en) * | 2019-06-21 | 2019-08-27 | 深圳劲嘉盒知科技有限公司 | Preparation method and holographic film, the holographic papers of holographic film |
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| CN106079953A (en) * | 2016-06-14 | 2016-11-09 | 昆明瑞丰印刷有限公司 | A kind of preparation method of holographic anti-counterfeiting film |
| CN106079953B (en) * | 2016-06-14 | 2018-05-11 | 昆明瑞丰印刷有限公司 | A kind of preparation method of holographic anti-counterfeiting film |
| CN106297548A (en) * | 2016-08-15 | 2017-01-04 | 南通立方新材料科技有限公司 | A kind of heat-resisting holographic anti-counterfeiting film |
| CN106297548B (en) * | 2016-08-15 | 2019-11-29 | 中山市利丰胶粘制品有限公司 | A kind of heat-resisting holographic anti-counterfeiting film |
| CN110171218A (en) * | 2019-06-21 | 2019-08-27 | 深圳劲嘉盒知科技有限公司 | Preparation method and holographic film, the holographic papers of holographic film |
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| CN103963505B (en) | 2016-03-30 |
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Address after: 312000 Chengdong economic and Technological Development Zone, Zhejiang, Shaoxing Patentee after: Shaoxing JINGWAH laser Polytron Technologies Inc. Address before: 312000 Chengdong economic and Technological Development Zone, Zhejiang, Shaoxing Patentee before: SHAOXING JINGHUA LASER PRODUCT CO.,LTD. |
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Correction item: Patentee Correct: ZHEJIANG JINGHUA LASER TECHNOLOGY CO.,LTD. False: Shaoxing JINGWAH laser Polytron Technologies Inc. Number: 22 Volume: 32 |
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