CN204659075U - A kind of cubic texture decorative metal board - Google Patents
A kind of cubic texture decorative metal board Download PDFInfo
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- CN204659075U CN204659075U CN201520039890.7U CN201520039890U CN204659075U CN 204659075 U CN204659075 U CN 204659075U CN 201520039890 U CN201520039890 U CN 201520039890U CN 204659075 U CN204659075 U CN 204659075U
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Abstract
The utility model provides a kind of cubic texture decorative metal board; comprise metal substrate; the back side of metal substrate is followed successively by chemical treatment layer and back of the body enamelled coating from top to bottom, and the front of described metal substrate is followed successively by chemical treatment layer, prime coat, floating coat, 1-4 layer cubic texture layer and diaphragm from the bottom to top.Metallic plate of the present utility model presents the visual effect of the haptic effect of various cubic texture, multiple color and pattern.
Description
Technical field
The utility model belongs to the precoated metal sheet field of household appliances shell, Discussion on architecture decoration etc., specifically, be applied in the continous way coating procedure of colored precoated metal sheet about gravure application, relate to a kind of high efficiency quantity-produced cubic texture decorative metal board, this metallic plate can show the visual effect of the haptic effect of cubic texture, multiple color and pattern.
Background technology
1) customer demand: household electrical appliances or building decoration steel plate, except color, processing and the basic function such as antirust, outward appearance is also as important choice criteria.Household electrical appliances or Architecture Decoration Design person constantly propose new requirement to the picture on surface, texture, sense of touch etc. of goods, such as pursue the haptic effect of concave-convex surface or cubic texture, constantly have new material to this, technique emerges in large numbers.
2) mechanical embossing technique: construction exterior sector application is many, for pursuing superficial makings and sense of touch, adopts mechanical embossed, and need new above equipment, knurling rolls to be primary and secondary roller, price comparison is expensive; Relatively be applicable to the dark texture of more than 20um, and complicated because knurling rolls cost of manufacture is high, patterned roll changes debugging, and embossing texture is single, and pattern refinement is not high.To the colored coil of machine printed, there is after first embossing embossing two class technology after application and first application.As described in patent document 201320738366, by knurling rolls, embossing is carried out to the metallic plate of shop primer, finish paint, printing coating, high scratch resistance layer of varnish, obtain brick line texture and sense of touch, improve the intensity of steel plate simultaneously.
As described in patent document 200710078212, the rolling mill of dermatoglyph is had to carry out embossed to steel plate by upper roller surface etching, the decorative steel plate of then dust to surface of steel plate process, acquisition dermatoglyph outward appearance and sense of touch.But the band texture steel plate utilizing said method to make, because application, embossed can not use single production line to complete, technological process is comparatively loaded down with trivial details.In addition owing to carrying out machine printed to steel plate, required pressure is very large, the embossing texture degree of depth is at least at more than 20um, and the more general typography of the fine degree of floral designs is far short of what is expected, generally can only realize the grain effect such as dermatoglyph, brick line, the requirement that designer becomes more meticulous to outward appearance cannot be met.
3) silk-screen printing technique: another conventional metallic plate Texture Processing Methods, be carry out serigraphy at the surface of steel plate of application, comparatively machine printed is high for the textured metal plate outward appearance fine degree of this explained hereafter.But be not suitable for large area application due to silk-screen printing technique and be generally individual scale metal sheet printing, first must carry out color coating, shearing through the pre-coat lines of specialty, and then carry out veneer serigraphy, cause production efficiency not high.
4) metallic plate pastes the veined thin-film technique of band: for realizing the grain effect of metal sheet surface, also the film (individual layer or the laminated film such as PET, PVC, PP) of embossed can be pasted at metal sheet surface, hot pressing or coating die mould technique are implemented to film surface, make superficial makings, then the thin layer possessing texture is pressed on steel plate.But this film procurement cycle is long, and cost is higher, and the yields control difficulty of thin layer laminated metal sheet is large.
5) common coil intaglio plate tampon-printing process: because ink inking amount is little, the chemical proofing of ink itself and hardness deficiency, generally carry out Lacquer finish process in ink pellet surface, to meet follow-up panel beating and terminal use's instructions for use.Due to the process of surperficial Lacquer finish coating, surface cannot realize cubic texture effect.
Utility model content
The utility model provides a kind of cubic texture decorative metal board, can solve following technical problem:
1) there is the problem that decorative pattern fineness is poor, technological process is loaded down with trivial details in mechanical embossing;
2) there is the not high problem of production efficiency in serigraphy;
3) be with texture film to paste metallic plate and there is the problem that the cost of raw material is high, yields control difficulty is large.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of cubic texture decorative metal board; comprise metal substrate; the back side of metal substrate is followed successively by chemical treatment layer and back of the body enamelled coating from top to bottom, and the front of described metal substrate is followed successively by chemical treatment layer, prime coat, floating coat, 1-4 layer cubic texture layer and diaphragm from the bottom to top." up and down " mentioned here refers to and to be as the criterion with the cross-sectional view of whole metallic plate, overall upper and lower relation.
For ensureing sheet-metal formed processing effect, the thickness of single layered stereo texture layer is within the scope of 2um ~ 10um, not obvious lower than cubic texture sense of touch during 2um, during higher than 10um, processing easily occurs bad, when especially adopting UV coating.The gloss of cubic texture layer is divided into Gao Guang (more than 80%), middle light (40 ~ 80%), sub-light (less than 40%).
Further, described cubic texture layer adopts light solidifying paint composition or heat curable coating composition.
Wherein: the mass percent formula of described light solidifying paint composition: polyurethane acrylate prepolymer 60-80%, acrylate monomer 10-30%, light trigger 3-6%, additive 1-4%, for ensureing the mobility of photocureable coating, a small amount of solvent can be added according to the actual requirements.
Wherein: the mass percent formula of described heat curable coating composition: mylar 30-70%, melmac 5-25%, pigment, additive and solvent account for 10-45% altogether; Wherein, one or more mixing in inorganic pigment, pearlescent flake pigments, aluminium powder, copper powder, stainless steel powder selected by pigment.Mylar is compositions that are a kind of, two or more polyester.
Wherein: described floating coat adopts coating composition, its mass percent is filled a prescription: mylar 50-70%, melmac 5-20%, pigment 2-20%, additive and solvent account for 2-10% altogether, and the thickness of floating coat is 8 ~ 25um.Mylar is compositions that are a kind of, two or more polyester.One or more mixing in inorganic pigment, pearlescent flake pigments, aluminium powder, copper powder, stainless steel powder selected by pigment.Additive, solvent add according to actual requirement proper proportion.
Wherein, the described metal substrate back side chemical treatment layer and the back of the body enamelled coating between be also provided with anti-corrosive primer layer.
Described metal substrate adopts the one in tinplate, aluminium sheet, aluminium alloy plate, heat zinc coating plate, electrolytic galvanized sheet, corrosion resistant plate, cold-reduced sheet, and the thickness of metal substrate is 0.2 ~ 1.2mm.
The preparation method of above-mentioned cubic texture decorative metal board; comprise metallic substrate surfaces chemical treatment stage, primer painting stage, floating coat application stage, the layer intaglio printing of 1-4 layer cubic texture and drying process stage thereof, diaphragm paste the stage, above each stage carries out continuously successively.
Technological process: metal substrate unreels → and metallic substrate surfaces process and baking → metal substrate front anti-corrosive primer and the coating of back of the body paint and baking → cooling → metal substrate floating coat be coated with and baking → cooling → idler roller → cubic texture intaglio printing unit 1-4 → idler roller → hot setting baking → diaphragm adhibiting device → metallic plate wrap-up.
Concrete technology flow process is as follows:
1) metal substrate unreels: overall linear speed: 20-80m/min;
2) metallic substrate surfaces process and baking: substrate, through twice degreasing process, then through washing step and air-dry operation, then enters chemical surface treatment layer coater and baking; Chemical surface treatment coating adopts water-based containing chromate process wherein either type after chromium treatment fluid, aqueous chromium-free treatment fluid, first phosphatization; Chemical surface treatment coating needs baking-curing within the scope of 50 ~ 150 DEG C;
3) metallic plate front anti-corrosive primer and back of the body paint coating process: after substrate enters this operation, the back side of metallic plate and front surface coated back of the body lacquer coat and priming paint under the effect of coating machine, coating machine can select curtain stream, spray, the reverse coating of two rollers or the reverse coating method of three rollers wherein either type; Enter baking oven after coating terminates and carry out baking-curing, roasting mode can adopt the mode such as hot blast, infrared lamp irradiation, and the maximum precoated metal temperature PMT of metallic plate in baking oven is within the scope of 170 ~ 250 DEG C; Enter cooling section afterwards, cooling can be divided into water-cooled, air cooling way, can adopt wherein arbitrary or both combinations;
4) metal substrate floating coat coating process: priming paint and back of the body paint enter into painting coating machine after baking-curing, and apply one deck coating at primed surface, this coating is just called floating coat, and coating method is identical with priming paint.The baking of floating coat, process for cooling are with front priming paint.
5) cubic texture typography: successively by following equipment section: entrance idler, intaglio printing unit 1-4, delivery tension roll, hot setting baking oven, often once just generate one deck printing pattern layer through printing unit, select the quantity of printed layers according to concrete appearance design; Enter hot setting baking oven after printing terminates to be cured printed layers, obtain cubic texture flower-pattern layer;
6) diaphragm technique is covered: according to client's needs, can select to cover diaphragm, the diaphragm of usual optional PE, PP, PET base material, diaphragm surface can be coated with water soluble acrylic acid glue or oiliness acrylate glue is wherein arbitrary, also can select the self-adhesive film of non-coating technique;
7) metallic plate rolling.
Described intaglio printing drying process comprises ultraviolet curing device and accessory system thereof; Also thermal-curable system (as devices such as hot blast solidification, infrared lamp solidifications) can be comprised.
The method of floating coat application: three rollers can be selected against painting mode, two rollers against painting mode, curtain flow coat mode for cloth (CURTAIN FLOW), slit application mode (DIE-COATER).
In cubic texture layer gravure process: described intaglio printing unit comprises roller and scraper, transferring glue roller, ink feeding system, the transfer roll purging system of etching texture; For ensureing best cubic texture, the modes such as electronic engraving, laser engraving, Ultra-precision diamond carving of roller can be selected to etching roller, to reach best line thickness, the degree of depth and definition.For ensureing precision and the definition of intaglio printing, at outlet and the entrance of intaglio press, tightening roller can also be comprised again.
In cubic texture layer gravure process: when adopting photocureable coating, for ensureing mobility and the printing effect of coating, General Requirements coating material temperature prints in 20 ~ 60 DEG C, needs configuration heat ink system.Also to increase ultraviolet photo-curing system simultaneously, general ultraviolet light source can select in medium pressure mercury lamp, metal halide lamp, microwave lamp, LED etc., for ensureing best solidification effect, the mixing of above fluorescent tube also can be selected to form.For ensureing better effect, ultraviolet photo-curing system also may comprise following accessory system: Nitrogen gas purifying system, air intake filtration system, UV lamp cooling system etc.
In cubic texture layer gravure process: when adopting heat curing coating, owing to all having idler roller before and after printing unit, adhere on idler roller for ensureing that coating is not dry, every platform printing unit will set up coating surface drying solidification equipment, and surface drying solidification temperature is generally within the scope of 35 DEG C ~ 150 DEG C; Be the chemical proofing of guarantee cubic texture layer, stain resistance and processing characteristics simultaneously, after by idler roller or slewing rollers, must set up hot setting baking oven, in hot setting baking oven, the peak metal temperature of metallic plate is wanted to reach 170 ~ 240 DEG C of scopes.
Gravure application is applied in the continous way coating procedure of colored precoated metal sheet by the utility model, and gravure printing process and drying mode thereof, the etching roller production method that realizes cubic texture are optimized, to ensure sense of touch and the visual effect of cubic texture, finally achieve high efficiency production and the operability of cubic texture decorative metal board, the metallic plate produced presents the visual effect of the haptic effect of various cubic texture, multiple color and pattern.
Compared with prior art, advantage of the present utility model and good effect are:
1) production efficiency is high: coil continous way produce, a production line realizes cleaning steel plate, japanning, pattern printing, texture printing, speed up to 20 meters ~ 60 ms/min, production efficiency is high.
2) cubic texture becomes more meticulous: cubic texture line thickness precision is high, optional within the scope of 80um ~ 1000um.
3) sense of touch: surface possesses sense of touch.
4) outward appearance is enriched: color is various, and decorative pattern can chromatography.
5) panel beating excellent performance: be applicable to the shearing of appliance shell, stretching, the punch forming such as bending.
Accompanying drawing explanation
Fig. 1 is the cross-sectional structure schematic diagram of cubic texture decorative metal board specific embodiment described in the utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1; this embodiment is a kind of cubic texture decorative metal board; comprise metal substrate 1; thickness is adopted to be the corrosion resistant plate of 0.6mm; the back side of metal substrate 1 is followed successively by chemical treatment layer 2 and back of the body enamelled coating 3 from top to bottom, and the front of metal substrate 1 is followed successively by chemical treatment layer 4, prime coat 5, floating coat 6, first cubic texture layer 7, second cubic texture layer 8, the 3rd cubic texture layer 9 and diaphragm 10 from the bottom to top.
Wherein, the thickness 5um of single layered stereo texture layer, had both had cubic texture sense of touch, had easily processed again.The gloss of cubic texture layer is divided into Gao Guang (more than 80%), middle light (40 ~ 80%), sub-light (less than 40%).
Wherein, the first to the 3rd cubic texture layer adopts light solidifying paint composition.The mass percent formula of light solidifying paint composition: polyurethane acrylate prepolymer 60-80%, acrylate monomer 10-30%, light trigger 3-6%, additive 1-4%, for ensureing the mobility of photocureable coating, a small amount of solvent can be added according to the actual requirements.
Wherein, floating coat adopts coating composition, and its mass percent is filled a prescription: mylar 50-70%, melmac 5-20%, pigment 2-20%, additive and solvent account for 2-10% altogether, and the thickness of floating coat is 8 ~ 25um.Mylar is compositions that are a kind of, two or more polyester.One or more mixing in inorganic pigment, pearlescent flake pigments, aluminium powder, copper powder, stainless steel powder selected by pigment.Additive, solvent add according to actual requirement proper proportion.
Certainly, the first to the 3rd cubic texture layer also can adopt heat curable coating composition, the mass percent formula of heat curable coating composition: mylar 30-70%, melmac 5-25%, pigment, additive and solvent account for 10-45% altogether; Wherein, one or more mixing in inorganic pigment, pearlescent flake pigments, aluminium powder, copper powder, stainless steel powder selected by pigment.Mylar is compositions that are a kind of, two or more polyester.
For strengthening rustless property, between the chemical treatment layer 2 at metal substrate 1 back side and back of the body enamelled coating 3, be also provided with anti-corrosive primer layer.
Metal substrate can also adopt the one in tinplate, aluminium sheet, aluminium alloy plate, heat zinc coating plate, electrolytic galvanized sheet, cold-reduced sheet, and the thickness of metal substrate 1 is 0.2 ~ 1.2mm.
Metallic plate performance comparison prepared by the metallic plate of this embodiment and silk-screen printing technique, machine printed technique is as following table:
| Sequence number | Project | Serigraphy-comparative example 1 | Machine printed _ comparative example 2 | The present embodiment |
| 1 | Texture depth and sense of touch | ○ | ◎ | ○ |
| 2 | Texture fineness | ◎ | △ | ◎ |
| 3 | Processability | ◎ | ○ | ◎ |
| 4 | Anti-pollution | ◎ | △ | ◎ |
| 5 | Acid and alkali-resistance | ◎ | ◎ | ◎ |
| 6 | Corrosion-resistant | ◎ | ○ | ◎ |
| 7 | Production efficiency | △ | △ | ◎ |
Outstanding ◎; Good zero; General △; Unacceptable ×
In addition, by changing substrate kind and thickness, increasing or reducing coating quantity; increase or reduce cubic texture print pass; increase or reduce diaphragm, changing coating layer thickness etc. and all think extension of the present utility model example, all belong to protection domain of the present utility model.
Inching is carried out to the formula of coating or material carries out inching, also think extension of the present utility model example, all belong to protection domain of the present utility model.
The preparation method of above-mentioned cubic texture decorative metal board, concrete technology flow process is as follows:
1) metal substrate unreels: overall linear speed: 20-80m/min;
2) metallic substrate surfaces process and baking: substrate, through twice degreasing process, then through washing step and air-dry operation, then enters chemical surface treatment layer coater and baking; Chemical surface treatment coating adopts chromate processing mode after first phosphatization; Chemical surface treatment coating needs baking-curing within the scope of 50 ~ 150 DEG C;
3) metallic plate front anti-corrosive primer and back of the body paint coating process: after substrate enters this operation, the back side of metallic plate and front surface coated back of the body lacquer coat and priming paint under the effect of coating machine, the reverse coating method of two rollers selected by coating machine; Enter baking oven after coating terminates and carry out baking-curing, roasting mode can adopt infrared lamp radiation modality, and the maximum precoated metal temperature PMT of metallic plate in baking oven is within the scope of 170 ~ 250 DEG C; Enter cooling section afterwards, cooling adopts water-cooled and air-cooled combination;
4) metal substrate floating coat coating process: priming paint and back of the body paint enter into painting coating machine after baking-curing, and apply one deck coating at primed surface, this coating is just called floating coat, and coating method is identical with priming paint.The baking of floating coat, process for cooling are with front priming paint.
5) cubic texture typography: successively by following equipment section: entrance idler, intaglio printing unit 1-4, delivery tension roll, hot setting baking oven, often once just generate one deck printing pattern layer through printing unit, select the quantity of printed layers according to concrete appearance design; Enter hot setting baking oven after printing terminates to be cured printed layers, obtain cubic texture flower-pattern layer;
6) cover diaphragm technique: according to client's needs, select to cover PE diaphragm, diaphragm surface coating water soluble acrylic acid glue.
7) metallic plate rolling.
In cubic texture layer gravure process: intaglio printing unit comprises roller and scraper, transferring glue roller, ink feeding system, the transfer roll purging system of etching texture; For ensureing best cubic texture, the modes such as electronic engraving, laser engraving, Ultra-precision diamond carving of roller can be selected to etching roller, to reach best line thickness, the degree of depth and definition.For ensureing precision and the definition of intaglio printing, at outlet and the entrance of intaglio press, tightening roller can also be comprised again.
In cubic texture layer gravure process: when adopting photocureable coating, for ensureing mobility and the printing effect of coating, General Requirements coating material temperature prints in 20 ~ 60 DEG C, needs configuration heat ink system.Also to increase ultraviolet photo-curing system simultaneously, general ultraviolet light source can select in medium pressure mercury lamp, metal halide lamp, microwave lamp, LED etc., for ensureing best solidification effect, the mixing of above fluorescent tube also can be selected to form.For ensureing better effect, ultraviolet photo-curing system also may comprise following accessory system: Nitrogen gas purifying system, air intake filtration system, UV lamp cooling system etc.
In cubic texture layer gravure process: when adopting heat curing coating, owing to all having idler roller before and after printing unit, adhere on idler roller for ensureing that coating is not dry, every platform printing unit will set up coating surface drying solidification equipment, and surface drying solidification temperature is generally within the scope of 35 DEG C ~ 150 DEG C; Be the chemical proofing of guarantee cubic texture layer, stain resistance and processing characteristics simultaneously, after by idler roller or slewing rollers, must set up hot setting baking oven, in hot setting baking oven, the peak metal temperature of metallic plate is wanted to reach 170 ~ 240 DEG C of scopes.
Described intaglio printing drying process comprises ultraviolet curing device and accessory system thereof; Also thermal-curable system (as devices such as hot blast solidification, infrared lamp solidifications) can be comprised.
The method of floating coat application: three rollers can be selected against painting mode, two rollers against painting mode, curtain flow coat mode for cloth (CURTAIN FLOW), slit application mode (DIE-COATER).
The above, it is only preferred embodiment of the present utility model, be not restriction the utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solutions of the utility model content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (5)
1. a cubic texture decorative metal board; comprise metal substrate; the back side of metal substrate is followed successively by chemical treatment layer and back of the body enamelled coating from top to bottom, it is characterized in that: the front of described metal substrate is followed successively by chemical treatment layer, prime coat, floating coat, 1-4 layer cubic texture layer and diaphragm from the bottom to top.
2. cubic texture decorative metal board according to claim 1, is characterized in that: the thickness of single layered stereo texture layer is within the scope of 2um ~ 10um.
3. cubic texture decorative metal board according to claim 2, is characterized in that: described cubic texture layer adopts light solidifying paint composition or heat curable coating composition.
4. cubic texture decorative metal board according to claim 1, is characterized in that: be also provided with anti-corrosive primer layer between the chemical treatment layer at the described metal substrate back side and back of the body enamelled coating.
5. cubic texture decorative metal board according to claim 1, it is characterized in that: described metal substrate adopts the one in tinplate, aluminium sheet, aluminium alloy plate, heat zinc coating plate, electrolytic galvanized sheet, corrosion resistant plate, cold-reduced sheet, and the thickness of metal substrate is 0.2 ~ 1.2mm.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105856748A (en) * | 2015-01-21 | 2016-08-17 | 合肥海尔特种钢板研制开发有限公司 | Stereoscopic texture decorative metal plate and production method thereof |
| CN107487094A (en) * | 2017-09-30 | 2017-12-19 | 福建省石狮市通达电器有限公司 | A kind of IML textures face-piece and its manufacture craft with sense of touch and stereoeffect |
| CN107599555A (en) * | 2017-09-30 | 2018-01-19 | 珠海拾比佰新型材料有限公司 | A kind of chamois leather effect color steel and its manufacture method |
| CN111347816A (en) * | 2018-12-21 | 2020-06-30 | Oppo广东移动通信有限公司 | Metal structural member, electronic device, and method for manufacturing metal structural member |
| US10894893B2 (en) | 2017-03-13 | 2021-01-19 | Tiger Coatings Gmbh & Co. Kg | Curable coating material for non-impact printing |
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- 2015-01-21 CN CN201520039890.7U patent/CN204659075U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856748A (en) * | 2015-01-21 | 2016-08-17 | 合肥海尔特种钢板研制开发有限公司 | Stereoscopic texture decorative metal plate and production method thereof |
| US10894893B2 (en) | 2017-03-13 | 2021-01-19 | Tiger Coatings Gmbh & Co. Kg | Curable coating material for non-impact printing |
| US10894891B2 (en) | 2017-03-13 | 2021-01-19 | Tiger Coatings Gmbh & Co. Kg | Curable coating material for non-impact printing |
| US10894892B2 (en) | 2017-03-13 | 2021-01-19 | Tiger Coatings Gmbh & Co. Kg | Curable coating material for non-impact printing |
| US11499061B2 (en) | 2017-03-13 | 2022-11-15 | Tiger Coatings Gmbh & Co. Kg | Curable coating material for non-impact printing |
| US11787960B2 (en) | 2017-03-13 | 2023-10-17 | Tiger Coatings Gmbh & Co. Kg | Curable coating material for non-impact printing |
| CN107487094A (en) * | 2017-09-30 | 2017-12-19 | 福建省石狮市通达电器有限公司 | A kind of IML textures face-piece and its manufacture craft with sense of touch and stereoeffect |
| CN107599555A (en) * | 2017-09-30 | 2018-01-19 | 珠海拾比佰新型材料有限公司 | A kind of chamois leather effect color steel and its manufacture method |
| CN111347816A (en) * | 2018-12-21 | 2020-06-30 | Oppo广东移动通信有限公司 | Metal structural member, electronic device, and method for manufacturing metal structural member |
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Address after: 266000 Haier Industrial Park, No. 236, Qian Wan Gang Road, Qingdao economic and Technological Development Zone, Shandong Co-patentee after: HEFEI HEGANG NEW MATERIAL TECHNOLOGY Co.,Ltd. Patentee after: QINGDAO HBIS COMPOSITE NEW MATERIAL TECHNOLOGY CO.,LTD. Address before: 230601 200 prosperous road, Hefei economic and Technological Development Zone, Anhui Co-patentee before: QINGDAO HBIS COMPOSITE NEW MATERIAL TECHNOLOGY CO.,LTD. Patentee before: HEFEI HEGANG NEW MATERIAL TECHNOLOGY Co.,Ltd. Address after: 230601 200 prosperous road, Hefei economic and Technological Development Zone, Anhui Co-patentee after: QINGDAO HBIS COMPOSITE NEW MATERIAL TECHNOLOGY CO.,LTD. Patentee after: HEFEI HEGANG NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Qingdao, Shandong. Co-patentee before: QINGDAO HAIER SPECIAL STEEL PLATE RESEARCH AND DEVELOPMENT Co.,Ltd. Patentee before: HEFEI HAIER SPECIAL STEEL PLATE RESEARCH & DEVELOPMENT Co.,Ltd. |