CN102490543B - Method for producing amberoid artware - Google Patents

Method for producing amberoid artware Download PDF

Info

Publication number
CN102490543B
CN102490543B CN 201110409668 CN201110409668A CN102490543B CN 102490543 B CN102490543 B CN 102490543B CN 201110409668 CN201110409668 CN 201110409668 CN 201110409668 A CN201110409668 A CN 201110409668A CN 102490543 B CN102490543 B CN 102490543B
Authority
CN
China
Prior art keywords
mould
mortar
content
treatment
pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN 201110409668
Other languages
Chinese (zh)
Other versions
CN102490543A (en
Inventor
施兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanning Millennium Arts and Crafts Stock Co., Ltd.
Original Assignee
NANNING MILLENNIUM ARTS AND CRAFTS CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NANNING MILLENNIUM ARTS AND CRAFTS CO Ltd filed Critical NANNING MILLENNIUM ARTS AND CRAFTS CO Ltd
Priority to CN 201110409668 priority Critical patent/CN102490543B/en
Publication of CN102490543A publication Critical patent/CN102490543A/en
Application granted granted Critical
Publication of CN102490543B publication Critical patent/CN102490543B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a method for producing amberoid artware, which comprises the operating steps of (1) pre-process of internal containing objects, wherein different embedding internal containing objects adopt different processing methods ; (2) mould making; (3) filling pre-process of hollow internal containing objects before embedding; (4) location of the internal containing objects, namely filling mortar prepared by mixing 40%-80% of acrylic polymer, 19%-54% of methl methacrylate (MMA), 0-5% of methacrylic acid functional monomer and 0.01%-1% of initiator in a mould to embed the internal containing objects; (5) placement of the mould filled with the mortar in a high pressure tank for pressure charge, wherein pressure is controlled in a range of 2-20kg/cm2, temperature is 40-100 DEG C, reaction time is 5-72 hours, and a polymerization process is finished; (6) take-out of the mould, wherein semi-finished products is obtained by demoulding, and the mould is placed in a constant pressure drying oven at the temperature of 40-100 DEG C to cure for 6-36 hours; and (7) postprocessing, namely conducting grinding and polishing processing. Amberoid artware made by using the method has high clarity, implosion is not easy to occur in a polymerization process, and the method is applicable to production of large-size slap-up amberoid artware.

Description

Produce the method for artificial amber handicraft
Technical field
The present invention relates to a kind of production technology of handicraft, specifically a kind of method of producing artificial amber handicraft.
Background technology
Artificial amber is that the various inner matters of macromolecule resin embedding (such as animal, plant, commemorative article) that utilize the high grade of transparency are made, and its main feature is that product is glittering and translucent, true nature, persistence.Because the form of expression of product is unique, deeply is subjected to liking of consumer after coming into the market.Traditional embedding process is to adopt methyl methacrylate (MMA) normal pressure curing process to come manufacturing artificial amber product all the time, there is larger limitation in this technique, can only produce exactly the product of smallclothes (such as pendant, key chain, book town etc.), can not produce large-scale expensive goods, also be in space state in the artificial amber handicraft market of large part top grade at present.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method that can produce large-scale artificial amber handicraft, and it adopts and carry out the polymerization of methyl methacrylate (MMA) under condition of high voltage, can not produce the implode phenomenon in polymerization process.
The present invention solves the problems of the technologies described above with following technical scheme:
The present invention produces the method for artificial amber handicraft, may further comprise the steps:
(1) pre-treatment of content is insect to be put into treatment fluid soak more than three days to keep color and anticorrosion, again through artificial shaping, oven dry to the pre-treatment of insect; Pre-treatment to fresh flower or plant is after fresh flower or plant are put into the treatment fluid immersion treatment, again through shaping, dehydration, colouring; Pre-treatment to metal is to put into the metal passivation treatment fluid to soak, again oven dry;
(2) Mold Making adopts the material that is fit to high-pressure polymerization process to make mould;
(3) hollow content is filled preliminary treatment before embedding, at first prepares filling liquid, filling liquid by following raw material by mass percentage mixed preparing form: acrylic polymer 10-50%, MMA48-89.8% and benzoyl peroxide 0.2-2%; Then content is immersed in the above-mentioned filling liquid, put into again vacuum tank and vacuumize, with filling liquid suction content intracorporeal space, then just can enter the embedding operation;
(4) mixed mortar is at first prepared in the location of content, mixed mortar by following raw material by mass percentage mix and blend make: acrylic polymer 40%-80%, MMA19-54%, methacrylic acid function monomer 0-5% and initator 0.01-1%; First partially mixed mortar is poured into mold bottom, again the content of want embedding is fixed on the position of mould regulation, by the time the mixed mortar that pours into forms gel and fixes after the content, continue again to pour into mixed mortar, according to the number of times of the content diverse location of placing and quantity decision perfusion mortar;
The mould that (5) will pour into mixed mortar is placed in the pressure pan, and inflating pressure, controlled pressure be at 2-20kg/cm2, and temperature 40-100 ℃, reacted 5-72 hour, be cooled to normal temperature, slow release pressure, building-up process finishes;
(6) take out mould, the demoulding obtains semi-finished product, puts into 40-100 ℃ normal pressure baking oven slaking 6-36 hour;
(7) post processing: polish, polishing.
In step (1), the insect treatment fluid by following raw material by mass percentage mixed preparing form: ethanol 90-99.5%, glacial acetic acid 0%-5%, sucrose 0.5-5%.
In step (1), plant and fresh flower treatment fluid by following raw material by mass percentage mixed preparing form: copper sulphate 2-15%, glacial acetic acid 20-50%, distilled water 40-70% and magnesium sulfate 1-3%.
In step (1), the metal passivation treatment fluid by following raw material by mass percentage mixed preparing form: phosphatase 11-10% and distilled water 90-99%.
In step (2), described mold materials adopts metal or gypsum or silica gel or fiberglass or cardboard or timber or cement or clay.
In step (3) and step (4), the acrylic polymer contains the component of following mass percent: methyl methacrylate 95-99.5%, contain C3-C10 alkene unsaturated carboxylic acid 0.2-5%, mean molecule quantity (Mw) 30000-400000, form is powdery or graininess.
In step (3), the vacuum of vacuum tank is 0.04~0.1Mpa.
In step (4), the methacrylic acid function monomer is one or more mixing in methacrylic acid, methacrylic acid C4-C18 ester, methacrylic acid hydroxyl ester, GMA, the metering system acid polyol ester.
In step (4), initator is one or more mixing in organic peroxide, azo-bis-isobutyl cyanide, cobalt salt and the alkyl hydrosulfide.
Described organic peroxide is benzoyl peroxide or dilauroyl peroxide or peroxidized t-butyl perbenzoate or di-tert-butyl peroxide.
In step (4), the viscosity that mortar pours in the mould is 1000-10000poise.
In step (5), the gas that is filled with is nitrogen or carbon dioxide or helium or argon gas.
The artificial amber handicraft that the inventive method is made has higher transparency, and is difficult for producing the implode phenomenon in polymerization process, is fit to produce the artificial amber handicraft of large part top grade.
The specific embodiment
The present invention is described in detail below in conjunction with embodiment.
Embodiment 1:
The transparent artware for preparing according to the following steps the embedding insect:
(1) preparation insect treatment fluid, the insect treatment fluid by following raw material by mass percentage mixed preparing form: glacial acetic acid 1%, sucrose 0.5% and ethanol 98.5%; Insect was immersed in the insect treatment fluid three days;
(2) insect with tack fixedly shaping on cystosepiment, put into dry 24 hours of 60 ℃ of baking ovens baking;
(3) preparation filling liquid, filling liquid by following raw material by mass percentage mixed preparing form: acrylic polymer 10%, MMA89.5% and benzoyl peroxide 0.5%; Insect is immersed filling liquid, put into vacuum tank and be evacuated down to 0.09Mpa, kept 3 minutes.
(4) preparation acrylic mortar, the acrylic mortar by following raw material by mass percentage mixed preparing form: acrylic polymer 65%, GDMA 2%, methacrylic acid 0.5%, benzoyl peroxide 0.5% and MMA32% are mixed into the acrylic mortar of 2000poise at mixer.
(5) bottoming is circulated into aluminium-making mould bottom 10mm thickness with the acrylic mortar of above-mentioned part, parks 3 hours, and mortar is formed with certain flexible gel, i.e. prime coat;
(6) fixing insect is taken out insect from filling liquid, be placed on above the prime coat, parks 20 minutes, and insect is fixing;
(7) perfusion acrylic mortar in mould, with the complete embedding of insect, is filled mould with the acrylic mortar injection of step (4), parks 12 hours, allows the acrylic mortar in the mould form gel;
(8) high pressure polymerisation is put into high-pressure reaction pot with mould, is filled with nitrogen, regulates pressure to 6kg/cm2, is warmed up to 80 ℃, reacts 12 hours, is cooled to normal temperature, release pressure;
(9) take out mould, the demoulding is put into 80 ℃ of baking oven slakings 12 hours with artificial amber semi-finished product;
The manufacturing process of insect ambroid artware is namely finished in the post processing of (10) polishing at last, polishing.
Embodiment 2:
The transparent artware for preparing according to the following steps the embedded plant blade:
(1) preparation plant treatment liquid, plant treatment liquid by following raw material by mass percentage mixed preparing form: copper sulphate 5%, glacial acetic acid 25%, magnesium sulfate 1% and distilled water 69%; Plant leaf blade is immersed in plant treatment liquid, is heated to 80 ℃ and kept 3 hours;
(2) taking-up is placed on and is dried to ambient humidity in the blotting paper;
(3) preparation acrylic mortar, the acrylic mortar by following raw material by mass percentage mixed preparing form: acrylic polymer 50%, methacrylic acid laurate 5%, azo-bis-isobutyl cyanide 0.8% and MMA44.2% are mixed into the acrylic mortar of 1000poise at mixer.
(4) bottoming is circulated into pasteboard mold bottom with above-mentioned part acrylic mortar, and approximately 50mm thickness was parked 3 hours, and mortar is formed with certain flexible gel, i.e. prime coat;
(5) fixed blade after fully wetting in the blade immersion MMA monomer of having processed, is placed on above the prime coat, parks 20 minutes, and blade is fixing;
(6) perfusion acrylic mortar, the acrylic mortar injection that step (3) is deployed with the complete embedding of blade, is filled mould in mould, and thickness 70mm parked 12 hours, allowed the acrylic mortar in the mould form gel;
(7) high pressure polymerisation is put into high-pressure reaction pot with mould, is filled with carbon dioxide, regulates pressure to 8kg/cm2, is warmed up to 60 ℃, reacts 24 hours, is cooled to normal temperature, release pressure;
(8) take out mould, the demoulding is put into 80 ℃ of baking oven slakings 12 hours with artificial amber semi-finished product;
(9) post processing is polished, is polished, and namely finishes the artificial amber handicraft of embedded plant blade.
Embodiment 3:
The transparent artware for preparing according to the following steps the embedding metallic statue:
(1) preparation inactivating treatment liquid, inactivating treatment liquid by following raw material by mass percentage mixed preparing form: phosphoric acid 3% and distilled water 97%; Metallic statue is immersed in the inactivating treatment liquid soaked 30 minutes.
(2) take out and to be placed in 60 ℃ of baking ovens dry 1 hour.
(3) preparation acrylic mortar, the acrylic mortar by following raw material by mass percentage mixed preparing form: acrylic polymer 65%, methacrylic acid 3%, di-tert-butyl peroxide 0.8%, cobalt salt 0.03%, MMA31.17%.Be mixed into the acrylic mortar of 5000poise at mixer.
(4) bottoming is circulated into the silica gel mould bottom with above-mentioned part acrylic mortar, parks 2 hours, and mortar is formed with certain flexible gel, i.e. prime coat;
(5) fixing metal statue, with metallic statue immerse wetting in the MMA monomer after, be placed on above the prime coat, parked 20 minutes, metallic statue is fixing;
(6) perfusion acrylic mortar, the acrylic mortar injection that step (3) is deployed with the complete embedding of metallic statue, is filled mould in mould, parked 2 hours, allows the acrylic mortar in the mould form gel;
(7) high pressure polymerisation is put into high-pressure reaction pot with mould, is filled with helium, regulates pressure to 10kg/cm2, is warmed up to 100 ℃, reacts 8 hours, is cooled to normal temperature, release pressure;
(8) take out mould, the demoulding is put into 80 ℃ of baking oven slakings 12 hours with artificial amber semi-finished product;
(9) post processing is polished, is polished, and namely finishes the manufacturing process of transparent process ornaments.
Embodiment 4:
The transparent artware for preparing according to the following steps the embedding pottery:
(1) preparation acrylic mortar, the acrylic mortar by following raw material by mass percentage mixed preparing form: acrylic polymer 70%, dilauroyl peroxide 0.5%, lauryl mercaptan 0.5%, MMA29%.Be mixed into the acrylic mortar of 7000poise at mixer.
(2) bottoming is circulated into the gypsum mold bottom with above-mentioned part acrylic mortar, parks 2 hours, and mortar is formed with certain flexible gel, i.e. prime coat;
(3) fixing pottery, with pottery immerse wetting in the MMA monomer after, be placed on above the prime coat, parked 20 minutes, pottery is fixing;
(4) perfusion acrylic mortar, the acrylic mortar injection that step (1) is deployed with the complete embedding of pottery, is filled mould in mould, parked 2 hours, allows the acrylic mortar in the mould form gel;
(5) high pressure polymerisation is put into high-pressure reaction pot with mould, is filled with argon gas, regulates pressure to 16kg/cm2, is warmed up to 70 ℃, reacts 48 hours, is cooled to normal temperature, release pressure;
(6) take out mould, the demoulding is put into 60 ℃ of baking oven slakings 24 hours with artificial amber semi-finished product;
(7) post processing is polished, is polished, and namely finishes the manufacturing process of transparent process ornaments.

Claims (10)

1. produce the method for artificial amber handicraft, it is characterized in that the method may further comprise the steps:
(1) pre-treatment of content is insect to be put into treatment fluid soak more than three days to keep color and anticorrosion, again through artificial shaping, oven dry to the pre-treatment of insect; Pre-treatment to fresh flower or plant is after fresh flower or plant are put into the treatment fluid immersion treatment, again through shaping, dehydration, colouring; Pre-treatment to metal is to put into the metal passivation treatment fluid to soak, again oven dry;
(2) Mold Making adopts the material that is fit to high-pressure polymerization process to make mould;
(3) for the content of insect, before embedding, need to fill preliminary treatment, at first prepare filling liquid, filling liquid by following raw material by mass percentage mixed preparing form: acrylic polymer 10-50%, MMA48-89.8% and benzoyl peroxide 0.2-2%; Then content is immersed in the above-mentioned filling liquid, put into again vacuum tank and vacuumize, with filling liquid suction content intracorporeal space, then just can enter the embedding operation; Content for fresh flower or plant or metal need not to fill preliminary treatment;
(4) mixed mortar is at first prepared in the location of content, mixed mortar by following raw material by mass percentage mix and blend make: acrylic polymer 40%-80%, MMA19-54%, methacrylic acid function monomer 0-5% and initator 0.01-1%; First partially mixed mortar is poured into mold bottom, again the content of want embedding is fixed on the position of mould regulation, by the time the mixed mortar that pours into forms gel and fixes after the content, continue again to pour into mixed mortar, according to the number of times of the content diverse location of placing and quantity decision perfusion mortar; Described methacrylic acid function monomer is one or more mixing in methacrylic acid, methacrylic acid C4-C18 ester, methacrylic acid hydroxyl ester, GMA, the metering system acid polyol ester;
The mould that (5) will pour into mixed mortar is placed in the pressure pan, and inflating pressure, controlled pressure be at 2-20kg/cm2, and temperature 40-100 ℃, reacted 5-72 hour, be cooled to normal temperature, slow release pressure, building-up process finishes;
(6) take out mould, the demoulding obtains semi-finished product, puts into 40-100 ℃ normal pressure baking oven slaking 6-36 hour;
(7) post processing: polish, polishing.
2. the method for described production artificial amber handicraft according to claim 1 is characterized in that, the insect treatment fluid in the step (1) by following raw material by mass percentage mixed preparing form: ethanol 90-99.5%, glacial acetic acid 0%-5%, sucrose 0.5-5%.
3. the method for described production artificial amber handicraft according to claim 1, it is characterized in that, the plant in the step (1) and fresh flower treatment fluid by following raw material by mass percentage mixed preparing form: copper sulphate 2-15%, glacial acetic acid 20-50%, distilled water 40-70% and magnesium sulfate 1-3%.
4. the method for described production artificial amber handicraft according to claim 1 is characterized in that, the metal passivation treatment fluid in the step (1) by following raw material by mass percentage mixed preparing form: phosphatase 11-10% and distilled water 90-99%.
5. the method for described production artificial amber handicraft according to claim 1, it is characterized in that, acrylic polymer in step (3) and the step (4) contains the component of following mass percent: methyl methacrylate 95-99.5%, contain C3-C10 alkene unsaturated carboxylic acid 0.2-5%, mean molecule quantity 30000-400000Mw, form is powdery or graininess.
6. the method for described production artificial amber handicraft according to claim 1 is characterized in that, the vacuum of vacuum tank is 0.04~0.1Mpa in the step (3).
7. the method for described production artificial amber handicraft according to claim 1 is characterized in that the initator in the step (4) is one or more mixing in organic peroxide, azo-bis-isobutyl cyanide, cobalt salt and the alkyl hydrosulfide.
8. the method for described production artificial amber handicraft according to claim 7 is characterized in that described organic peroxide is benzoyl peroxide or dilauroyl peroxide or peroxidized t-butyl perbenzoate or di-tert-butyl peroxide.
9. the method for described production artificial amber handicraft according to claim 1 is characterized in that the viscosity that pours into the mortar in the mould in the step (4) is 1000-10000poise.
10. the method for described production artificial amber handicraft according to claim 1 is characterized in that the gas that is filled with in the step (5) is nitrogen or carbon dioxide or helium or argon gas.
CN 201110409668 2011-12-09 2011-12-09 Method for producing amberoid artware Active CN102490543B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110409668 CN102490543B (en) 2011-12-09 2011-12-09 Method for producing amberoid artware

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110409668 CN102490543B (en) 2011-12-09 2011-12-09 Method for producing amberoid artware

Publications (2)

Publication Number Publication Date
CN102490543A CN102490543A (en) 2012-06-13
CN102490543B true CN102490543B (en) 2013-10-16

Family

ID=46182420

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201110409668 Active CN102490543B (en) 2011-12-09 2011-12-09 Method for producing amberoid artware

Country Status (1)

Country Link
CN (1) CN102490543B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102794850B (en) * 2012-08-10 2015-05-20 Tcl王牌电器(惠州)有限公司 Artificial amber preparation method
CN105109263B (en) * 2015-07-08 2017-10-20 南宁千年工艺股份有限公司 A kind of preparation method of fresh flower artificial amber ornaments
CN105109262B (en) * 2015-07-08 2018-04-24 南宁千年工艺股份有限公司 A kind of production method of ambroid Glass Craft
CN105415560A (en) * 2015-12-02 2016-03-23 琚轶臻 Manufacturing method of amber ore tea set
CN106182530B (en) * 2016-07-07 2018-06-05 陈灿洪 A kind of artificial amber craftwork machining production line
CN107136051A (en) * 2017-07-17 2017-09-08 广州越城丰茂农林科技有限公司 A kind of preparation method of amber sample
CN109094980A (en) * 2018-10-09 2018-12-28 青岛农业大学 A kind of porous glue bottle of Teflon and its application method
CN114851761A (en) * 2022-06-02 2022-08-05 四川南谷文化传播有限公司 Method for preparing crystal image by using polymethyl methacrylate

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85106328A (en) * 1985-08-13 1986-11-19 抚顺市雕刻厂琥珀制品分厂 Fusing-junction method for amber
CN101284479A (en) * 2008-05-12 2008-10-15 缪亮 Artificial amber handicraft and preparation method thereof
CN101973179A (en) * 2010-08-31 2011-02-16 常熟市恒升工艺品有限公司 Ambroid handiwork and manufacturing method thereof
CN102039771A (en) * 2009-10-19 2011-05-04 李传彩 Manufacturing method of amber cicada

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5550309A (en) * 1978-10-09 1980-04-12 Dainippon Ink & Chemicals Production of amber like accessory

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85106328A (en) * 1985-08-13 1986-11-19 抚顺市雕刻厂琥珀制品分厂 Fusing-junction method for amber
CN101284479A (en) * 2008-05-12 2008-10-15 缪亮 Artificial amber handicraft and preparation method thereof
CN102039771A (en) * 2009-10-19 2011-05-04 李传彩 Manufacturing method of amber cicada
CN101973179A (en) * 2010-08-31 2011-02-16 常熟市恒升工艺品有限公司 Ambroid handiwork and manufacturing method thereof

Also Published As

Publication number Publication date
CN102490543A (en) 2012-06-13

Similar Documents

Publication Publication Date Title
CN102490543B (en) Method for producing amberoid artware
CN104261777B (en) A kind of clay sculpture figure of buddha repair materials and its preparation method
CN102177206B (en) Resin syrup, artificial marble containing a hardened form of the resin syrup, and a production method for the same
CN103553430B (en) A kind of Artificial acrylic quartz stone slab and preparation method thereof
CN103299985A (en) Cantharias specimen and making method thereof
CN106977927A (en) A kind of high intensity add-on type liquid silicon rubber maceration extract and its preparation and forming method
CN105001591B (en) Ionic liquid toughening type pentaerythritol acrolein resin and curing method thereof
CN102490542B (en) Method for producing insect ambroid artware
CN107674357A (en) Acrylic quartz stone slab and preparation method thereof
CN101434080B (en) Waterglass-polymer homogeneous phase hybrid modified precursor liquid for lumber and preparation method thereof
CN107141420A (en) Without styrene UPR with low shrinkage resin and preparation method thereof
CN106832370A (en) A kind of preparation method of hand pasting forming glass fiber reinforced plastics product
CN109177630A (en) The method of artificial amber handicraft
CN104277186B (en) A kind of unsaturated resin composition, preparation method and its usage
CN108047433A (en) A kind of unsaturated-resin and preparation method for artificial stone and its application in stock white and artificial stone
KR101251156B1 (en) Artificial marbles and preparation methods thereof
CN112266436A (en) High-transparency high-strength acrylic plate and preparation method thereof
CN102732072A (en) Preparation method and product of high-adhesion polishing-free PE (Poly Ethylene) top-coat
CN105885349A (en) Workmanship of artificial marble decorative painting
CN115351861A (en) Preparation method and application of microwave-puffed wood-hydrogel composite decorative material
RU2734197C1 (en) Method of producing epoxy translucent artificial stone imitating onyx
CN101362814A (en) Prepolymer of room temperature curable yakeli resin for artificial marble manufacture
KR20100029503A (en) Artificial marbles comprising a cement and preparation methods thereof
CN115010404B (en) High-strength artificial quartz sand board and manufacturing method thereof
US20240059821A1 (en) Process for the manufacture of articles made of conglomerate material

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 530031 the Guangxi Zhuang Autonomous Region Nanning economic and Technological Development Zone Ying Road No. 19

Patentee after: Nanning Millennium Arts and Crafts Stock Co., Ltd.

Address before: 530031 the Guangxi Zhuang Autonomous Region Nanning economic and Technological Development Zone Ying Road No. 19

Patentee before: Nanning Millennium Arts and Crafts Co.,Ltd.