CN104898296B - A kind of body laser inner carving 3D patterned resin eyeglass and preparation method thereof - Google Patents
A kind of body laser inner carving 3D patterned resin eyeglass and preparation method thereof Download PDFInfo
- Publication number
- CN104898296B CN104898296B CN201510318112.6A CN201510318112A CN104898296B CN 104898296 B CN104898296 B CN 104898296B CN 201510318112 A CN201510318112 A CN 201510318112A CN 104898296 B CN104898296 B CN 104898296B
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- resin lens
- carving
- film layer
- pattern
- eyeglass
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- 229920005989 resin Polymers 0.000 title claims abstract description 76
- 239000011347 resin Substances 0.000 title claims abstract description 76
- 238000002360 preparation method Methods 0.000 title description 3
- 238000005452 bending Methods 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 10
- 238000007738 vacuum evaporation Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000005304 optical glass Substances 0.000 claims description 6
- 238000003618 dip coating Methods 0.000 claims description 4
- 241000790917 Dioxys <bee> Species 0.000 claims description 3
- 229910003978 SiClx Inorganic materials 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000003550 marker Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 7
- 239000005355 lead glass Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010147 laser engraving Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000002679 ablation Methods 0.000 description 2
- 229920002574 CR-39 Polymers 0.000 description 1
- 229920003180 amino resin Polymers 0.000 description 1
- 230000003667 anti-reflective effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00317—Production of lenses with markings or patterns
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/022—Ophthalmic lenses having special refractive features achieved by special materials or material structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/021—Lenses; Lens systems ; Methods of designing lenses with pattern for identification or with cosmetic or therapeutic effects
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/024—Methods of designing ophthalmic lenses
- G02C7/027—Methods of designing ophthalmic lenses considering wearer's parameters
Abstract
A kind of body laser inner carving 3D patterned resin eyeglass, by rear rectification resin lens（2）, interior carving 3D pattern（3）, stiffened film layer（4）With antireflection film layer（5）Formed it is characterised in that：Described rear rectification resin lens（2）In bending, correct resin lens afterwards（2）Inside have two grooves, body laser inner carving 3D pattern（3）It is located in groove, correct resin lens afterwards（2）Upper surface be the flexure plane with radian, lower surface be provided with user customization opticians degree number, afterwards correct resin lens（2）Upper and lower surface be covered with have stiffened film layer（4）With antireflection film layer（5）.Present invention achieves carving 2/3D pattern in the internal different depth of the resin lens of bending is according to customized demand, present very strong 3D depth feelings and third dimension during pattern in viewing eyeglass, have the characteristics that in eyeglass that engraving patterns are attractive in appearance, third dimension is strong, simple processing, practical.
Description
Technical field
The present invention relates to Laser Processing resin lens fabrication techniques applied technical field, particularly relate to a kind of body laser inner carving 3D
Patterned resin eyeglass and preparation method thereof.
Background technology
Laser-engraving technique manufactures processing industry in glasses and has obtained universal application, such as in Metal Eyeglasses temple
Carve out brand or the character pattern of product above with carbon dioxide laser, go out product in spectacle lens made of resin surface engraving
Engrave, the lot number that dispatches from the factory etc.；The application of above-mentioned laser-engraving technique, facilitates the product promotion of producer and the brand recognition of client,
Beautify the outward appearance of eyewear products, improved the class of product, have a wide range of applications, but above-mentioned laser-engraving technique
Application is limited only to the outer surface Carving Machining of product.
In laser crystal, technology for fast carving on has had the development and application history of more than 20 year till now from appearance, using body laser inner carving
Technology can carve out various careful exquisite black and white patterns in the crystal glass body of plane, the artistic work such as word Chinese zodiac,
Have been developed as a long-term professional crystal art product engraving technology class, but because laser beam can be in the crystal of bending
There is refraction and scattering it is impossible to concentrate energy to be deep into portion in crystal glass body carry out internal engraving in glass surface, thus above-mentioned
In laser crystal, the application of technology for fast carving on is limited only to carry out Carving Machining in the crystal glass product of plane it is impossible to realize in table
Face has the inside Carving Machining of certain crooked radian crystal glass product, and in the same manner, for spectacles industry, present eyeglass produces
The spectacle lens made of resin of manufacturer production is essentially all that lens surface is designed and produced in order to wear attractive in appearance with the open of the visual field
There is certain crooked radian, simultaneously because the material of the macromolecular material of resin lens and crystal glass and density all not phases
Same, so so far, also do not met or saw that pertinent literature report had and carried out carving in 3D inside glasses resin lens
Case or the appearance of commodity.If technology for fast carving in laser 3D can be applied to the inside engraving application aspect of glasses resin lens,
Gone out such as by body laser inner carving fabrication techniques in the suitable position of eyeglass periphery：The Chinese zodiac, constellation, word, refraction data, mountain
Water patterns, personal portrait etc., bring the chance of higher industry technology upgrade undoubtedly will to the making of glasses, so that consumer is obtained
To the customized spiritual enjoyment of senior personalization and satisfaction, liked by numerous glasses wearers, before there is the market comsupton of light
Scape.
Content of the invention
The invention provides a kind of resin lens with body laser inner carving 3D pattern, this resin lens are first resin lens
Casting is solidified into the lens blank of front flat palintrope shape, forms the lens plane needed for body laser inner carving, in body laser inner carving 3D pattern
Again blank lens front surface is ground required crooked radian afterwards and the rear portion of blank eyeglass is ground joining of user's customization
Mirror degree number, then passes through dip-coating and is successively covered with stiffened film layer and antireflective with vacuum evaporation process on rear rectification resin lens surface
Film layer, solving laser beam can occur energy dispersive can not go deep into carrying out inside lens substrate all on the resin lens surface of bending
A difficult problem for even engraving is it is achieved that the internal different depth of resin lens in bending carves 2D/3D plane or vertical according to customized demand
Body pattern, after interior carving, the front and rear surfaces of resin lens are smooth limpid, occur without the vestige of engraving ablation, in viewing eyeglass during pattern
It is to present very strong 3D depth feelings and third dimension.
The present invention is achieved through the following technical solutions above-mentioned purpose：A kind of body laser inner carving 3D patterned resin eyeglass, is rectified by rear
Positive resin lens, interior carving 3D pattern, stiffened film layer and antireflection film layer formed it is characterised in that：Described rear rectification resin
Eyeglass is in bending, corrects in resin lens afterwards and has two grooves, body laser inner carving 3D pattern is located in groove, corrects resin afterwards
The upper surface of eyeglass is the flexure plane with radian, and lower surface is provided with the opticians degree number of user's customization, corrects resin lens afterwards
Upper and lower surface is covered with stiffened film layer and antireflection film layer.
Described rear rectification resin lens adopt the tree of index of refraction 1.499,1.56,1.60,1.67,1.71,1.74,1.76
Fat eyeglass, substrate monomer material is allyl diglycol carbonates, M-phthalic acid two propylene or amino resins.
Described antireflection film layer is to use vacuum coating equipment using conventional coating process using zirconium oxide, magnesium oxide material
The antireflection film layer being deposited with vacuum.
The manufacture method of the present invention comprises the following steps：
1）, the glasses that accept client's submission prepare engraving content official documents and correspondence version in refraction data and laser 3D；
2）, refraction data input glass mold lapping machine program control computer that client submitted to, correct resin mirror after being ground
Piece blank special frontal plane glass mold box, pours into Unit heating solidification in glass mold box, corrects resin mirror after producing
Carving Machining workshop in laser 3D is delivered to after piece blank；
3）, open HSGP-4KB type laser sub-marker, operational control computer, input sets the 3D engraving content that client provides
FileVersion；
4）, by rear rectification resin lens blank be clipped in above carving machine platform, operate engraving machine, make laser head be aligned eyeglass
Blank plane carves 3D pattern in predetermined engraving position；
5）, after carving finishes in lens blank, rear rectification resin lens blank is snapped in BAOLAI-01A type eyeglass refiner,
On refiner computer, refraction data prepared by input client's glasses, and operating computer, rear rectification resin lens on refiner
Blank ground finish goes out the eyeglass number of degrees of client's needs and certain front surface crooked radian, makes the finished product of carving 3D pattern in band
Correct resin lens afterwards；
6）, take off ground rear rectification resin lens, put into ultrasonic washing unit clean 5 minutes after blown with 60 degree of hot blasts
Dry；
7）, will after the interior carving of cleaning-drying correct resin lens folder upper hanger move into film stiffened equipment surface dip-coating dioxy
SiClx hardening liquid carries out stiffened baking and curing, and surface is covered with stiffened film layer, drying temperature 100-120 degree, hardening time 60-
120 minutes；
8）, surface is covered with stiffened film layer and solidifies the rear rectification resin lens after drying and send into vacuum evaporation equipment by normal
Rule require vacuum evaporation antireflection film layer；
9）, go out correcting resin lens grinding on LE-300 type slicing machine after after vacuum evaporation and select
Mirror holder size is consistent the optical glass of coupling；
10）, resin lens will be corrected after interior carving 3D good for grinding and load the eyeglasses frame selected, make one pair of consumer
The vision correction completed optical glasses with body laser inner carving 3d art pattern of propertyization customization.
The beneficial effect that the present invention produces：Solve laser beam and energy dispersive can occur not on the resin lens surface of bending
The difficult problem uniformly carved inside lens substrate can be goed deep into it is achieved that bending the internal different depth of resin lens according to ordering
Demand engraving 2D/3D plane processed or space pattern, after interior carving, the front and rear surfaces of resin lens are smooth limpid, occur without engraving ablation
Vestige, viewing eyeglass in pattern when be to present very strong 3D depth feelings and third dimension, so that wearer can be seen with beholder
Appreciate in eyeglass word or the pattern content of carving, have that engraving patterns in eyeglass are attractive in appearance, third dimension is strong, simple processing, practical
Feature.
Brief description
Fig. 1 is the lens blank structure side cutaway view of the present invention.
Fig. 2 is final lens product structure side cutaway view of the present invention.
Fig. 3 is this technological process block diagram.
In figure：Correct resin lens blank after 1, correct resin lens, carving 3D patterns, 4 stiffened film layers, 5 anti-reflections in 3 after 2
Penetrate film layer.
Know from Fig. 1, Fig. 2, a kind of resin lens with body laser inner carving 3D pattern of the present invention, by rear rectification resin lens
2nd, interior carving 3D pattern 3, stiffened film layer 4, antireflection film layer 5 are formed, and with reference to Fig. 3, its concrete manufacture method is described below：
1st, engraving content official documents and correspondence version in refraction data and laser 3D prepared by the glasses accepting client's submission.
2nd, refraction data input glass mold lapping machine program control computer client submitted to, corrects resin lens after being ground
The special frontal plane glass mold box of blank 1, pours into Unit heating solidification in glass mold box, corrects resin lens after producing
Carving Machining workshop in laser 3D is delivered to after blank 1.
3rd, HSGP-4KB type laser sub-marker, operational control computer are opened, input sets the 3D engraving content that client provides
FileVersion.
4th, rear rectification resin lens blank 1 is clipped in above carving machine platform, operates engraving machine, make laser head be directed at eyeglass
Blank plane carves 3D pattern 3 in predetermined engraving position.
5th, after carving finishes in lens blank, rear rectification resin lens blank 1 is snapped in BAOLAI-01A type eyeglass refiner,
On refiner computer, refraction data prepared by input client's glasses, and operating computer, rear rectification resin lens on refiner
Blank 1 ground finish goes out the eyeglass number of degrees of client's needs and certain front surface crooked radian, makes the one-tenth of carving 3D pattern 3 in band
Resin lens 2 are corrected after product.
6th, take off ground rear rectification resin lens 2, put into after ultrasonic washing unit cleans 5 minutes and blown with 60 degree of hot blasts
Dry.
7th, press from both sides upper hanger immigration film stiffened equipment surface dip-coating dioxy by correcting resin lens 2 after the interior carving of cleaning-drying
SiClx hardening liquid carries out stiffened baking and curing, and surface is covered with stiffened film layer 4, drying temperature 100-120 degree, hardening time 60-
120 minutes.
8th, surface is covered with stiffened film layer 4 and solidifies the rear rectification resin lens 2 after drying and send into vacuum evaporation equipment and press
Custom requirements vacuum evaporation antireflection film layer 5.
9th, by the rear rectification resin lens 2 after vacuum evaporation, on LE-300 type slicing machine, grinding goes out and selectes mirror
Frame size is consistent the optical glass of coupling.
10th, load, by correcting resin lens after interior carving 3D good for grinding, the eyeglasses frame selected, make one pair of consumer
The vision correction completed optical glasses with body laser inner carving 3d art pattern of propertyization customization.
Claims (1)
1. a kind of manufacture method of body laser inner carving 3D patterned resin eyeglass, by rear rectification resin lens（2）, interior carving 3D pattern（3）、
Stiffened film layer（4）With antireflection film layer（5）Formed, described rear rectification resin lens（2）In bending, correct resin mirror afterwards
Piece（2）Inside have two grooves, body laser inner carving 3D pattern（3）It is located in groove, correct resin lens afterwards（2）Upper surface be band
The flexure plane of radian, lower surface is provided with the opticians degree number of user's customization, corrects resin lens afterwards（2）Upper and lower surface be covered with have
Stiffened film layer（4）With antireflection film layer（5）；It is characterized in that：Comprise the following steps：
1）, the glasses that accept client's submission prepare engraving content official documents and correspondence version in refraction data and laser 3D；
2）, refraction data input glass mold lapping machine program control computer that client submitted to, correct resin lens hair after being ground
Base（1）Special frontal plane glass mold box, pours into Unit heating solidification in glass mold box, corrects resin lens after producing
Blank（1）After deliver to Carving Machining workshop in laser 3D；
3）, open HSGP-4KB type laser sub-marker, operational control computer, input sets the 3D engraving content file that client provides
Version；
4）, by rear rectification resin lens blank（1）It is clipped in above carving machine platform, operates engraving machine, make laser head be directed at eyeglass
Blank plane carves 3D pattern in predetermined engraving position（3）；
5）, after carving finishes in lens blank, by rear rectification resin lens blank（1）Snap in BAOLAI-01A type eyeglass refiner,
On refiner computer, refraction data prepared by input client's glasses, and operating computer, rear rectification resin lens on refiner
Blank（1）Ground finish goes out the eyeglass number of degrees of client's needs and certain front surface crooked radian, makes carving 3D pattern in band（3）
Finished product after correct resin lens（2）；
6）, take off ground rear rectification resin lens（2）, put into after ultrasonic washing unit cleans 5 minutes and blown with 60 degree of hot blasts
Dry；
7）, will after the interior carving of cleaning-drying correct resin lens（2）Folder upper hanger moves into film stiffened equipment surface dip-coating dioxy
SiClx hardening liquid carries out stiffened baking and curing, and surface is covered with stiffened film layer（4）, drying temperature 100-120 degree, hardening time
60-120 minute；
8）, surface be covered with stiffened film layer（4）And solidify the rear rectification resin lens after drying（2）Send into vacuum evaporation equipment to press
Custom requirements vacuum evaporation antireflection film layer（5）；
9）, resin lens will be corrected after after vacuum evaporation（2）On LE-300 type slicing machine, grinding goes out and selectes
Mirror holder size is consistent the optical glass of coupling；
10）, will after interior carving 3D good for grinding correct resin lens（2）Load the eyeglasses frame selected, make one pair of consumer
The vision correction completed optical glasses with body laser inner carving 3d art pattern of propertyization customization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510318112.6A CN104898296B (en) | 2015-06-11 | 2015-06-11 | A kind of body laser inner carving 3D patterned resin eyeglass and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510318112.6A CN104898296B (en) | 2015-06-11 | 2015-06-11 | A kind of body laser inner carving 3D patterned resin eyeglass and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN104898296A CN104898296A (en) | 2015-09-09 |
| CN104898296B true CN104898296B (en) | 2017-03-01 |
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| CN107402452A (en) * | 2017-09-13 | 2017-11-28 | 深圳市思派德光学科技有限公司 | A kind of 3D Sunglasses lenses sun clips and 3D sunglasses |
| CN107765445B (en) * | 2017-10-19 | 2019-08-20 | 安徽奥兹信息科技有限公司 | Plated film 3D resin lens and preparation method thereof |
| CN107765446B (en) * | 2017-10-19 | 2019-11-12 | 宏冠生物药业有限公司 | Plated film 3D resin lens and preparation method thereof |
| CN111897035A (en) * | 2020-07-31 | 2020-11-06 | 潘学龙 | Resin lens for shielding high-frequency radiation and production process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0818377B2 (en) * | 1991-09-13 | 1996-02-28 | 株式会社ホリカワ | Synthetic resin decorative component for eyeglass frame and method for manufacturing the same |
| CN100458496C (en) * | 2003-06-27 | 2009-02-04 | 精工爱普生株式会社 | Production method for glasses lens, marking device, marking system, glasses lens |
| JP4573596B2 (en) * | 2004-08-05 | 2010-11-04 | Ｈｏｙａ株式会社 | Manufacturing method of spectacle lens |
| JP4827393B2 (en) * | 2004-08-05 | 2011-11-30 | Ｈｏｙａ株式会社 | Spectacle lens manufacturing method and spectacle lens |
| US8003915B2 (en) * | 2004-12-08 | 2011-08-23 | Laserop Ltd. | System and methods for producing tinted and non-tinted materials with non-discernable laser inscriptions |
| KR100874188B1 (en) * | 2007-04-19 | 2008-12-15 | (주)도 은 | Optical lens displaying lens information on the coating layer and its manufacturing method |
| CN201828731U (en) * | 2010-05-25 | 2011-05-11 | 马锋 | Glasses carved with floriation |
| CN102854639B (en) * | 2012-09-21 | 2014-03-19 | 江苏万新光学有限公司 | Manufacturing process of photosensitive resin eyeglasses |
| CN204694935U (en) * | 2015-06-11 | 2015-10-07 | 丹阳市精通眼镜技术创新服务中心有限公司 | A kind of body laser inner carving 3D patterned resin eyeglass |
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Effective date of registration: 20240314 Address after: 212331 No. 188 Danfu Road, Danyang City, Zhenjiang City, Jiangsu Province Patentee after: JIANGSU WANXIN OPTICAL Co.,Ltd. Country or region after: China Address before: 212300 No. 98, Dan Fu Road, Danyang, Zhenjiang, Jiangsu Patentee before: DANYANG JINGTONG GLASSES TECHNOLOGY INNOVATION SERVICE CENTRAL Co.,Ltd. Country or region before: China |