CN204076846U - A kind of SLA 3D printer of rapid shaping - Google Patents
A kind of SLA 3D printer of rapid shaping Download PDFInfo
- Publication number
- CN204076846U CN204076846U CN201420521292.9U CN201420521292U CN204076846U CN 204076846 U CN204076846 U CN 204076846U CN 201420521292 U CN201420521292 U CN 201420521292U CN 204076846 U CN204076846 U CN 204076846U
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- sla
- printer
- rapid shaping
- storage tank
- cabinet
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- Expired - Lifetime
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- 238000007493 shaping process Methods 0.000 title claims abstract description 32
- 239000011347 resin Substances 0.000 claims abstract description 49
- 229920005989 resin Polymers 0.000 claims abstract description 49
- 238000003860 storage Methods 0.000 claims abstract description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 230000001464 adherent effect Effects 0.000 claims description 22
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 6
- 229920005573 silicon-containing polymer Polymers 0.000 claims description 6
- 238000009738 saturating Methods 0.000 claims description 5
- 239000004809 Teflon Substances 0.000 claims description 4
- 229920006362 Teflon® Polymers 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 3
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 12
- 238000007639 printing Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000001723 curing Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model relates to thing 3D printer, particularly relate to a kind of SLA 3D printer of rapid shaping, comprise SLA 3D printer body, SLA 3D printer body comprises the cabinet of hollow and the support along cabinet side towards upper extension, the front end, bottom surface of cabinet is provided with laser scanning device, the bottom surface central authorities of described cabinet are provided with speculum, resin storage tank is provided with directly over speculum, the bottom surface of resin storage tank is installed with high quartz glass thoroughly, high quartz glass is thoroughly fixedly arranged on iron plate, iron plate is fixedly connected with the motor be located in cabinet floor, cape is provided with directly over resin storage tank, support is provided with upright slide rail, cape slides up and down along described upright slide rail.Compared with prior art, shaping speed is fast; Comprise the drop-down frame for movement eliminating vacuum power, greatly improve yield rate, precision is high, is particularly suitable for making the high baroque prototype of required precision; Structure is simple, easy to operate, greatly reduces production cost, can large-scale promotion application.
Description
Technical field
The utility model relates to thing 3D printer technology field, particularly relates to a kind of SLA 3D printer of rapid shaping.
Background technology
Use printer just as printing one envelope letter: dub " printing " button on computer screen, a digital document is just sent on an ink-jet printer, and one deck ink is sprayed onto the surface of paper to form a secondary two dimensional image by it.And when 3D prints, software completes a series of digital slices by CAD technology (CAD), and be sent on 3D printer by these information of cutting into slices, slim for continuous print aspect can be stacked up by the latter, until a solid body is shaping.3D printer and the maximum difference of conventional printer are that " ink " that it uses is out and out raw material.
The form of stacking thin layer has varied.Some 3D printer uses the mode of " ink-jet ".Such as, the 3D printer company of Israel of an Objet by name uses printer head by liquid plastic substance spray very thin for one deck on mold pallet, and this coating processes under being then placed in ultraviolet.Mold pallet declines minimum distance afterwards, comes up for lower one deck is stacking.The company Stratasys that other general headquarters are positioned at Minneapolis city of the U.S. uses one to be called the technology of " fused deposition modeling ", and whole flow process is molten plastic in shower nozzle, then just forms thin layer by the mode of depositing plastic material fiber.
Some systems are also had to use powder particle as print media.Powder particle is sprayed forms the very thin powder bed of one deck on mold pallet, is then cured by the fluid binder sprayed.The technology founding that it also can use one to be called " laser sintered " becomes designated shape.This is the technology that uses in its superposition process maker of German EOS Corp. just also.The Arcam company of Switzerland is then the electron stream melting powder particulate utilized in vacuum.Above-mentioned these are only parts in many molding modes.When run into comprise hole and cantilever such labyrinth time, just need to add gel or other materials in medium to provide support or to be used for taking up space.This part powder by founding, finally only can not need use water or gas washout to fall supporter and just can form hole.Nowadays can be used for the medium wide variety printed, from various plastics to metal, pottery and rubber-like material.Some printer can also in conjunction with different medium, makes that one, the object printed is hard and other end is soft.
SLA (Stereo Lithography Apparatus) technology is exactly laser three-dimensional engraving technology, is the crystallization of machinery, laser, photochemistry, software, control technology.Based on the principle that photosensitive resin solidifies by UV-irradiation, computer controls laser and successively scans the liquid photosensitive resin of solidification, and the cross section of every one deck solidification is obtained by the three-dimensional CAD model software hierarchy of part, until finally obtain photosensitive resin prototype in kind.Photocureable rapid shaping should be that in 3D printing technique, precision is the highest, and surface is also the most smooth, and the minimum material thickness of this technology can reach 25 microns (0.025 millimeters) at present.But Introduction To Stereolithography also has two deficiencies, first photosensitive resin raw material has certain toxicity, protection is should be noted that when operating personnel use, secondly the prototype of Stereolithography is very good in outward appearance, but intensity aspect still can not compared with real manufactured goods, generally be mainly used in prototype checking aspect, then by a series of subsequent treatment operation, rapid prototyping be converted into technical grade product.In addition, the equipment cost of SLA technology, maintenance cost and material cost are all higher, and therefore, the 3D printer based on photocuring technology is mainly used in professional domain, and domestic desktop domain variability is not applied.
Therefore, the SLA 3D printer that a kind of rapid shaping is provided is badly in need of, to solve the deficiencies in the prior art.
Utility model content
The purpose of this utility model is the SLA 3D printer in order to provide a kind of rapid shaping, and shaping speed is fast, prototyping accuracy is high, be applicable to very much making required precision high, baroque prototype, and cost is low, is applicable to large-scale industrial production application.
For achieving the above object, the utility model adopts following technical scheme:
A kind of SLA 3D printer of rapid shaping, comprise SLA 3D printer body, described SLA 3D printer body comprise hollow cabinet and along described cabinet side towards the support of upper extension, the front end, bottom surface of described cabinet is provided with laser scanning device, the bottom surface central authorities of described cabinet are provided with speculum, resin storage tank is provided with directly over described speculum, the bottom surface of described resin storage tank is installed with high quartz glass thoroughly, the saturating quartz glass of described height is fixedly arranged on iron plate, described iron plate is fixedly connected with the motor be located in described cabinet floor, cape is provided with directly over described resin storage tank, described support is provided with upright slide rail, described cape slides up and down along described upright slide rail.
Further, described laser scanning device comprises bluish violet light laser and laser scanning galvanometer.
More preferably, described laser scanning galvanometer is L-type or U-shaped, can improve Scan orientation precision.
More preferably, described speculum is 45 ° of settings.
More preferably, the bottom surface of described resin storage tank is provided with adherent layer.
More preferably, described adherent layer is any one or several combinations in dimethyl silicone polymer adherent layer, mould release membrance adherent layer or Teflon adherent layer, and it is resin-bonded in the bottom of resin storage tank that adherent layer can prevent from solidifying.
More preferably, described motor is penetration type stepper motor.
More preferably, also comprise housing, described case lid is located at outside described SLA 3D printer body.
More preferably, also comprise the computer being mounted with three-dimensional CAD model, described computer is connected by USB data line with described SLA 3D printer body.
More preferably, the laser beam wavelength that described bluish violet light laser processed sends is 305nm or 455nm.
The utility model discloses a kind of SLA 3D printer and Method of printing thereof of rapid shaping, compared with prior art, there is following beneficial effect:
1, the SLA 3D printer of rapid shaping of the present utility model adopts laser curing, and shaping speed is fast;
2, the SLA 3D printer of rapid shaping of the present utility model comprises the drop-down frame for movement eliminating vacuum power, greatly improves yield rate;
3, SLA 3D printer body of the present utility model has the computer of three-dimensional CAD model to be connected with device, by controlling progress and the precision of printing in computer, efficiency and the precision of printing can be improved widely, be particularly suitable for making required precision high, baroque prototype;
4, SLA 3D printer arrangement of the present utility model is simple, easy to operate, greatly reduces production and use cost, can large-scale industrialization promotion application.
Accompanying drawing explanation
With accompanying drawing, the utility model is described in further detail, but the embodiment in accompanying drawing is not formed any restriction of the present utility model.
Fig. 1 is the structural representation of the SLA 3D printer of a kind of rapid shaping of the present utility model.
Detailed description of the invention
Be further described the utility model below in conjunction with drawings and Examples, this is preferred embodiment of the present utility model.
Embodiment 1
As shown in Figure 1, a kind of SLA 3D printer of rapid shaping, comprise SLA 3D printer body 1, described SLA 3D printer body 1 comprise hollow cabinet 11 and along described cabinet side towards the support 12 of upper extension, the front end, bottom surface of described cabinet 11 is provided with laser scanning device 2, the bottom surface central authorities of described cabinet 11 are provided with speculum 3, resin storage tank 4 is provided with directly over described speculum 3, the bottom surface of described resin storage tank 4 is installed with high quartz glass 5 thoroughly, the saturating quartz glass 5 of described height is fixedly arranged on iron plate 6, described iron plate 6 is fixedly connected with the motor 7 be located on described cabinet 11 bottom surface, cape 8 is provided with directly over described resin storage tank 4, described support 12 is provided with upright slide rail 9, described cape 8 slides up and down along described upright slide rail 9.Wherein, described motor 6 is preferably penetration type stepper motor, and described cape 8 is preferably aluminium block cape, and described speculum 3 is high reflectivity mirror, to greatest extent reflected beam, improves curing molding speed.
Further, described laser scanning device 2 comprises bluish violet light laser 21 and laser scanning galvanometer 22.
More preferably, described laser scanning galvanometer 22, in L-type, can improve Scan orientation precision.
More preferably, described speculum 3, can to greatest extent by the bottom of laser beam reflection to resin storage tank 4 in 45 ° of settings.
Bluish violet light laser 21 sends the laser beam of 305nm or 455nm, laser beam reflexes to bottom the resin storage tank 4 directly over mirror through speculum 3, laser scanning galvanometer 22 under control of the computer, laser beam is scanned bottom resin storage tank 4 according to the requirement of cross section profile, the saturating quartz glass 5 of height bottom laser beam transparent resin storage tank 4 reacts with the photosensitive resin of the resin storage tank 4 li be irradiated to, make to be solidified by the photosensitive resin of scanning area, thus obtain the resin flake of this cross section profile, ground floor resin sheet can be pasted onto on the aluminium block cape that develops from top to bottom bottom resin storage tank, after completing a printing action, cape 8 moves on described upright slide rail 9, simultaneously, motor 7 drives iron plate 6 drop-down, and then drive resin storage tank 4 to move down, the vacuum power in resin storage tank 4 is eliminated by this drop-down action, then motor 7 drives iron plate 6 pull-up, and then drive resin storage tank 4 to move up, carry out the next one and print action.
More preferably, the bottom surface of described resin storage tank 4 is provided with adherent layer, and described adherent layer is dimethyl silicone polymer adherent layer, and wherein dimethyl silicone polymer is called for short PDMS again, and dimethyl silicone polymer adherent layer can prevent the resin-bonded in the bottom of resin storage tank 4 of solidification.
More preferably, also comprise housing, described case lid is located at outside described SLA 3D printer body 1, and described housing can waterproof and dustproof, and make described SLA 3D printer body 1 more attractive in appearance, housing does not show in the accompanying drawings simultaneously.
More preferably, also comprise the computer being mounted with three-dimensional CAD model, described computer is connected by USB data line with described SLA 3D printer body, for controlling process and the precision of printing.
The laser beam wavelength that described bluish violet light laser processed sends is 305nm or 455nm.
The Method of printing of the SLA 3D printer of described rapid shaping, step is as follows:
Step 1) computer is connected with SLA 3D printer body 1, the three-dimensional CAD model designed is loaded into computer, in resin storage tank 4, adds liquid photosensitive resin;
Step 2 computer controls the laser beam that bluish violet light laser 21 sends 305nm or 455nm, laser beam reflexes to bottom the resin storage tank 4 directly over mirror through speculum 3, laser scanning shake calculate parts control under, laser beam is scanned bottom resin storage tank 4 according to the requirement of cross section profile, the saturating quartz glass 5 of height bottom laser beam transparent resin storage tank 4 reacts with the photosensitive resin of the resin storage tank 4 li be irradiated to, make to be solidified by the photosensitive resin of scanning area, thus obtain the resin flake of this cross section profile;
Step 3) ground floor resin sheet can be pasted onto on the cape 8 that develops from top to bottom bottom resin storage tank 4, then resin storage tank 4 can under the pulling of motor 7 the open and close movement once height of one deck thin slice and cape 8 rises at upright slide rail 9, with the resin flake of solidification just cover by the new liquid resin of one deck, to carry out second layer laser scanning solidification, one deck jail of new solidification is bonded on front one deck, so repeat endlessly, until whole formed product is complete.
Embodiment 2
Compared with embodiment 1, difference is only, described laser scanning galvanometer 22 is U-shaped, can improve Scan orientation precision.The bottom surface of described resin storage tank 4 is provided with adherent layer, and described adherent layer is mould release membrance adherent layer or Teflon adherent layer, can also be any combination of dimethyl silicone polymer adherent layer, mould release membrance adherent layer or Teflon adherent layer; During use, can be used alone, also can severally combinationally use.
Compared with prior art, the SLA 3D printer of rapid shaping of the present utility model has following beneficial effect:
1, the SLA 3D printer of rapid shaping of the present utility model adopts laser curing, and shaping speed is fast;
2, the SLA 3D printer of rapid shaping of the present utility model comprises the drop-down frame for movement eliminating vacuum power, greatly improves yield rate;
3, SLA 3D printer body of the present utility model has the computer of three-dimensional CAD model to be connected with device, by controlling progress and the precision of printing in computer, efficiency and the precision of printing can be improved widely, be particularly suitable for making required precision high, baroque prototype;
4, SLA 3D printer arrangement of the present utility model is simple, easy to operate, greatly reduces production and use cost, can large-scale industrialization promotion application.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not the restriction to the utility model protection domain; although done to explain to the utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.
Claims (10)
1. the SLA 3D printer of a rapid shaping, comprise SLA 3D printer body, described SLA 3D printer body comprise hollow cabinet and along described cabinet side towards the support of upper extension, it is characterized in that: the front end, bottom surface of described cabinet is provided with laser scanning device, the bottom surface central authorities of described cabinet are provided with speculum, resin storage tank is provided with directly over described speculum, the bottom surface of described resin storage tank is installed with high quartz glass thoroughly, the saturating quartz glass of described height is fixedly arranged on iron plate, described iron plate is fixedly connected with the motor be located in described cabinet floor, cape is provided with directly over described resin storage tank, described support is provided with upright slide rail, described cape slides up and down along described upright slide rail.
2. the SLA 3D printer of rapid shaping according to claim 1, is characterized in that: described laser scanning device comprises bluish violet light laser and laser scanning galvanometer.
3. the SLA 3D printer of rapid shaping according to claim 2, is characterized in that: described laser scanning galvanometer is L-type or U-shaped.
4. the SLA 3D printer of rapid shaping according to claim 1, is characterized in that: described speculum is 45 ° of settings.
5. the SLA 3D printer of rapid shaping according to claim 1, is characterized in that: the bottom surface of described resin storage tank is provided with adherent layer.
6. the SLA 3D printer of rapid shaping according to claim 5, is characterized in that: described adherent layer is any one or several combinations in dimethyl silicone polymer adherent layer, mould release membrance adherent layer or Teflon adherent layer.
7. the SLA 3D printer of rapid shaping according to claim 1, is characterized in that: described motor is penetration type stepper motor.
8. the SLA 3D printer of rapid shaping according to claim 1, is characterized in that: also comprise housing, and described case lid is located at outside described SLA 3D printer body.
9. the SLA 3D printer of rapid shaping according to claim 1, is characterized in that: also comprise the computer being mounted with three-dimensional CAD model, and described computer is connected by USB data line with described SLA 3D printer body.
10. the SLA 3D printer of rapid shaping according to claim 2, is characterized in that: the laser beam wavelength that described bluish violet light laser processed sends is 305nm or 455nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420521292.9U CN204076846U (en) | 2014-09-11 | 2014-09-11 | A kind of SLA 3D printer of rapid shaping |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420521292.9U CN204076846U (en) | 2014-09-11 | 2014-09-11 | A kind of SLA 3D printer of rapid shaping |
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| CN204076846U true CN204076846U (en) | 2015-01-07 |
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| CN201420521292.9U Expired - Lifetime CN204076846U (en) | 2014-09-11 | 2014-09-11 | A kind of SLA 3D printer of rapid shaping |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228068A (en) * | 2014-09-11 | 2014-12-24 | 东莞市竞技者数码科技有限公司 | A kind of rapid prototyping SLA 3D printer and printing method thereof |
| CN104802411A (en) * | 2015-05-12 | 2015-07-29 | 南京工程学院 | Scanning and printing integrated desktop-level three-dimensional printer |
| CN104916378A (en) * | 2015-06-18 | 2015-09-16 | 西安交通大学 | Device and method for manufacturing dielectric constant gradient insulator based on 3D printing |
| CN105346084A (en) * | 2015-11-20 | 2016-02-24 | 苏州光韵达光电科技有限公司 | Novel 3D printer and printing process control method thereof |
| CN108248025A (en) * | 2018-01-15 | 2018-07-06 | 嘉兴善维机电有限公司 | Compact desktop laser SLA printers |
| WO2018223761A1 (en) * | 2017-06-06 | 2018-12-13 | 北京清锋时代科技有限公司 | 3d printing device and 3d printing method |
| CN111941834A (en) * | 2020-08-11 | 2020-11-17 | 中国科学院自动化研究所 | Light-curing 3D printing system and method suitable for microgravity environment |
| CN114801167A (en) * | 2022-03-22 | 2022-07-29 | 华南理工大学 | High-precision scanning type surface forming 3D printing equipment and method |
-
2014
- 2014-09-11 CN CN201420521292.9U patent/CN204076846U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228068A (en) * | 2014-09-11 | 2014-12-24 | 东莞市竞技者数码科技有限公司 | A kind of rapid prototyping SLA 3D printer and printing method thereof |
| CN104802411A (en) * | 2015-05-12 | 2015-07-29 | 南京工程学院 | Scanning and printing integrated desktop-level three-dimensional printer |
| CN104802411B (en) * | 2015-05-12 | 2018-06-01 | 南京工程学院 | The desktop grade 3D printer of integrating scanning and printing |
| CN104916378A (en) * | 2015-06-18 | 2015-09-16 | 西安交通大学 | Device and method for manufacturing dielectric constant gradient insulator based on 3D printing |
| CN105346084A (en) * | 2015-11-20 | 2016-02-24 | 苏州光韵达光电科技有限公司 | Novel 3D printer and printing process control method thereof |
| WO2018223761A1 (en) * | 2017-06-06 | 2018-12-13 | 北京清锋时代科技有限公司 | 3d printing device and 3d printing method |
| US11938675B2 (en) | 2017-06-06 | 2024-03-26 | Luxcreo (Beijing) Inc. | 3D printing device and 3D printing method |
| CN108248025A (en) * | 2018-01-15 | 2018-07-06 | 嘉兴善维机电有限公司 | Compact desktop laser SLA printers |
| CN111941834A (en) * | 2020-08-11 | 2020-11-17 | 中国科学院自动化研究所 | Light-curing 3D printing system and method suitable for microgravity environment |
| CN111941834B (en) * | 2020-08-11 | 2021-10-08 | 中国科学院自动化研究所 | Light-curing 3D printing system and method suitable for microgravity environment |
| CN114801167A (en) * | 2022-03-22 | 2022-07-29 | 华南理工大学 | High-precision scanning type surface forming 3D printing equipment and method |
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Effective date of registration: 20191224 Address after: Dongguan City, Guangdong province 523000 Pai Zhen Shi Pu Haruki Bian Industrial Zone Patentee after: Dongguan branch of Electronic Technology Co.,Ltd. Address before: Dongguan City, Guangdong Province town of the 523000 row of stone Haruki Pu Xin Bian Road No. 1 on the third floor Patentee before: DONGGUAN JINGJIZHE DIGITAL TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20150107 |
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