CN107718603A - A kind of HSM manufacturing process of the armed lever of carbon fiber mechanical arm - Google Patents
A kind of HSM manufacturing process of the armed lever of carbon fiber mechanical arm Download PDFInfo
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- CN107718603A CN107718603A CN201710889371.3A CN201710889371A CN107718603A CN 107718603 A CN107718603 A CN 107718603A CN 201710889371 A CN201710889371 A CN 201710889371A CN 107718603 A CN107718603 A CN 107718603A
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- Prior art keywords
- carbon fiber
- mechanical arm
- armed lever
- pipe
- hsm
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/70—Completely encapsulating inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/06—Making preforms by moulding the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/681—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/681—Component parts, details or accessories; Auxiliary operations
- B29C70/682—Preformed parts characterised by their structure, e.g. form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/681—Component parts, details or accessories; Auxiliary operations
- B29C70/683—Pretreatment of the preformed part, e.g. insert
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a kind of HSM manufacturing process of the armed lever of carbon fiber mechanical arm.Hot self-expanding high-energy rubber, Fiber prepreg, built-in pipe are cut first；Hot self-expanding high-energy rubber parcel built-in pipe is put into core mould, matched moulds is heated to 80 100 DEG C, maintains 3 30 minutes, at this temperature, the hot advance microdilatancy of self-expanding high-energy rubber, full of core die cavity, cooling and demolding takes out pre-shaped core；Fiber prepreg is wrapped in outside pre-shaped core again again, prefabricated component is obtained, is put into mould, matched moulds is heated to 120 180 DEG C of forming temperature, and molding time is 10 60 minutes；Cooling and demolding, pickup, produce the armed lever of carbon fiber mechanical arm.The armed lever of gained carbon fiber mechanical arm of the invention answers large carrying capacity, and rigidity is good, from heavy and light.In grabbing workpiece, stable action, the speed of motion are fast, and positioning precision is good.
Description
Technical field
The invention belongs to automated machine device field, and in particular to a kind of HSM manufactures of armed lever of carbon fiber mechanical arm
Technique.
Background technology
Mechanical arm is the automated machine device that most broad practice is obtained in robot technical field, is made in industry
Make, therapeutic treatment, entertainment service, military affairs, the field such as semiconductor manufacturing and space probation can see its figure.Although it
Form have nothing in common with each other, but they have one it is common the characteristics of, can exactly receive instruction, be precisely positioned to three-dimensional
The certain point of (or two dimension) spatially carries out operation.
Require that arm answers large carrying capacity in mechanical arm design process, rigidity is good, from heavy and light.The direct shadow of rigidity of arm
Ring the stationarity acted during to arm grabbing workpiece, the speed and positioning precision of motion.Arm can be caused to hang down if poor rigidity
Lateral torsional deflection in flexural deformation and horizontal plane in straight plane, arm will produce vibration, or workpiece stuck nothing during action
Method works.Therefore, arm typically all increases the rigidity of arm using rigidity preferably guide rod, each supporting, connector it is firm
Property will also have certain requirement, to guarantee to bear required driving force.
The heavier-weight of metal machinery arm, operation is precisely restricted with stability, therefore the lightweight to mechanical arm carries
Go out higher requirement, this respect is exactly the advantage place of the multiple material mechanical arm of carbon fiber.
Current carbon fibre composite shaping mainly has following technology mode：
First, hand paste technique, equipment investment is few, and products appearance is excellent, but there is also following problem：1st, solvent volatilization pollution ring
Border, while health is endangered, not environmentally；2nd, fibrous material interlayer adhesion is bad, and product strength is not high enough；3rd, solidification process delays
Slowly, low production efficiency, although cost is low, personal easily DIY productions, volume production is not suitable for.
2nd, core mould pressing process, pressure of the product in shaping comes from outside press, i.e., using rigid foam core outsourcing
Glued layer and then again outer wrapping Fiber prepreg pre-shaped are good, wherein hard foam used has PMI, PU, PVC, Ba Shamu
Advance shape core is cut into etc. needing to first pass through CNC, is put into die cavity, heating pressurization, resin solidification shaping obtains product, effect
Rate is higher, the problem of presence：1st, complex procedures rigid foam core needs advance CNC cutting, increases equipment investment, and 2, foam material
Material and Fiber prepreg must additionally add glued layer, increase Material Cost, and 3, due to unbalance stress, it is difficult to obtain excellent system
Product outward appearance；4th, core be not present during compression molding expansive force from inside to outside therefore fiber inter-layer bonding force it is bad,
With reference to heterogeneity, easy delamination causes the bulk strength of product to decline；5th, large-sized workpiece is, it is necessary to the press of large-scale tonnage,
Equipment investment is big, is unfavorable for popularizing.
3rd, autoclave technique, it is put into vacuum bag sealed composite material blank combination part in autoclave, in heating, pressurization
Under conditions of carry out curing molding and prepare a kind of process of composite product.Problem be present, one hollow structure is difficult to
Realize；Secondly Batch Process pattern, production efficiency are relatively low, it is difficult to meet the mass production requirement in mechanical arm field.
4th, air blowing heat pressing process, the raw material inflation of closure in a mold is made to form hollow product by means of gas pressure
Method, formability can good (such as low stress), the plastic products with complicated oscillating curves (shape).This method can pass through
Nylon wind pipe realizes the hollow structure of mechanical arm in the mode that middle part is blown, and problem at this stage be present：1st, blow hot-forming,
The sector is present due to the fraction defective of 3-5% caused by gas leakage；2nd, the input of blowing device is needed；3rd, Fiber prepreg parcel is high
The prefabrication that energy glue obtains easily is produced in end article because non-cubic supporting construction causes product size to be difficult to stability contorting
The fraction defective phenomenons such as fiber lay down fault position；4th, batch production operating type is belonged to, production efficiency is low；5th, by airduct shape
Limitation the part with complicated structure be difficult to be applicable.
The content of the invention
High it is an object of the invention to provide a kind of bending strength, lightweight is high-strength, the system of the low carbon fiber mechanical arm of cost
Make technique.Wherein HSM is Heat Self Molding abbreviation.
In order to realize the object of the invention, the present invention provides a kind of HSM manufacturing process of the armed lever of carbon fiber mechanical arm, and it is special
Sign is that step includes：
1) hot self-expanding high-energy rubber, Fiber prepreg and built-in pipe are cut；
2) hot self-expanding high-energy rubber parcel built-in pipe is put into core mould, matched moulds is heated to 80-100 DEG C, maintains 3-30
Minute, at this temperature, the hot advance microdilatancy of self-expanding high-energy rubber, full of core die cavity, cooling and demolding takes out pre-shaped core；
3) Fiber prepreg is wrapped in outside pre-shaped core again, obtains prefabricated component, be put into mould, matched moulds is heated to
120-180 DEG C of forming temperature, molding time are 10-60 minutes；Cooling and demolding, pickup, produce the armed lever of carbon fiber mechanical arm.
Further, the reflation intensity of the hot self-expanding high-energy rubber of the shaping pre-shaped≤pure multiple material product is in 1% shape
Resistance to deformation intensity under becoming.
Further, the Fiber prepreg is carbon fibre initial rinse fabric, glass preimpregnated fabric or aramid fiber prepreg cloth.
Further, the built-in pipe is plastic tube or the multiple material pipe of carbon fiber or metal tube.
Further, the high-energy rubber refers to the thermosetting composite that can start expansion in certain temperature range, and it is opened
Dynamic 60-120 DEG C of expansion temperature, 100-180 DEG C of optimum expansion temperature range, failed expansion temperature are more than 180 DEG C, are heated when maintaining
Between 10-60 minutes, 1-50 times of volume multiplying power before and after being expanded in 100-180 DEG C of optimum expansion temperature range is caused after expansion
Pressure limit 0.1-20MPa.
The advantage of the present invention：
1. not needing extra equipment, the core of arbitrary shape is supported；
2. high-energy rubber itself is heated with the ability being glued, it is not necessary to extra glued layer, saves material；
3. high-energy rubber has the power outwards expanded when heated, high-strength so as to obtain lightweight；It can subtract using after high-energy rubber simultaneously
The usage amount of few Fiber prepreg, reduces production cost；
4. the high-energy rubber of the present invention need not release, therefore the mechanical arm being prepared is interstitital texture, and bending strength is more
It is high.
5. the hot self-expanding high-energy rubber pre-shaped Jing Guo the first step obtains pre-shaped core, thin-film sheet high-energy rubber different from the past
2D structures, 3D cores can be obtained, therefore be more suitable for needing the wrap member of the Fiber prepreg of dimensional support, so wrapped up
Product size afterwards is more nearly final shape, in next step plus thermal expansion curing molding, will not be front and rear because of expansion
Change in size is excessive to cause fibrous material to pull deformation in expansion process, influences the lot stability of product, and overcome by
In stress concentration caused by unbalance stress, the fraction defectives such as product warpage are caused.
6. due to the operation using the prefabricated core of the first step, the prefabricated product core of accurate dimension can be obtained, can be more preferable
Control product dimensional accuracy, improve product yield；
7. prefabricated core in second step and the multiple material forming process of fiber, can be heated swollen again by internal prefabricated core
Expansive force, the multiple material of fiber is caused, so as to improve inter-layer bonding force, to be caused the intensity that product is final by extruding force from inside to outside
Further lifting；
8. expansion strength≤pure multiple material product produced by the hot self-expanding high-energy rubber of application claims from inside to outside is 1%
Resistance to deformation intensity under deformation, it is possible to prevente effectively from product subsequent heat deforms, overcome resulting product fraction defective.
Brief description of the drawings：
Fig. 1 is the armed lever cellular construction schematic diagram of carbon fiber mechanical arm.
Fig. 2 is the schematic cross-section of the armed lever of carbon fiber mechanical arm.
Fig. 3 is schematic cross-section of the armed lever of carbon fiber mechanical arm in in-mold molding.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is intended to be used to explain the present invention, and can not
It is interpreted as limitation of the present invention.In the examples where no specific technique or condition is specified, according to described by document in the art
Technology or condition or carried out according to product description.Agents useful for same or the unreceipted production firm person of instrument, are to lead to
Cross the conventional products of acquisition purchased in market.
High-energy rubber product wherein used comes from, high-energy rubber/HR- of Hao Er new materials limited company of Xiamen City production
313 or high-energy rubber/HR-330.
Following examples combination Fig. 1-3.Wherein 1 is the armed lever of carbon fiber mechanical arm, and 2 be metal interface part, and 3 be that fiber is pre-
Cloth is soaked, 4 be hot self-expanding high-energy rubber, and 5 be built-in pipe, and 6 be mold, and 7 be lower mould.
Embodiment 1：The preparation technology of the armed lever of carbon fiber mechanical arm
1) high-energy rubber, Fiber prepreg and built-in pipe are cut；
2) hot self-expanding high-energy rubber parcel built-in pipe is put into core mould, is heated to 80 DEG C, maintained 15 minutes, it is warm herein
Under degree, the hot advance microdilatancy of self-expanding high-energy rubber, full of core die cavity, cooling and demolding removes pre-shaped core；
3) Fiber prepreg is wrapped in outside pre-shaped core again, obtains prefabricated component, be put into mould, matched moulds is heated to
150 DEG C of forming temperature, molding time are 15 minutes；Cooling, it is stripped, pickup, produces the armed lever of carbon fiber mechanical arm.
The Fiber prepreg is carbon fibre initial rinse fabric.
The built-in pipe can be plastic tube or the multiple material pipe of carbon fiber or metal tube.
The carbon fiber mechanical arm that the present embodiment is prepared answers large carrying capacity, and rigidity is good, from heavy and light.In grabbing workpiece
Stable action, the speed of motion are fast, and positioning precision is good.
Embodiment 2：The preparation technology of the armed lever of carbon fiber mechanical arm
1) high-energy rubber, Fiber prepreg and built-in pipe are cut；
2) hot self-expanding high-energy rubber parcel built-in pipe is put into core mould, is heated to 100 DEG C, maintained 3 minutes, it is warm herein
Under degree, the hot advance microdilatancy of self-expanding high-energy rubber, full of core die cavity, cooling and demolding removes pre-shaped core；
3) Fiber prepreg is wrapped in outside pre-shaped core again, obtains prefabricated component, be put into mould, matched moulds is heated to
120 DEG C of forming temperature, molding time are 60 minutes；Cooling, it is stripped, pickup, produces the armed lever of carbon fiber mechanical arm.
The Fiber prepreg is carbon fibre initial rinse fabric.
The built-in pipe can be plastic tube or the multiple material pipe of carbon fiber or metal tube.
The carbon fiber mechanical arm that the present embodiment is prepared answers large carrying capacity, and rigidity is good, from heavy and light.In grabbing workpiece
Stable action, the speed of motion are fast, and positioning precision is good.
The Fiber prepreg is carbon fibre initial rinse fabric.
The built-in pipe can be plastic tube or the multiple material pipe of carbon fiber or metal tube.
The carbon fiber mechanical arm that the present embodiment is prepared answers large carrying capacity, and rigidity is good, from heavy and light.In grabbing workpiece
Stable action, the speed of motion are fast, and positioning precision is good.
Embodiment 3：The preparation technology of the armed lever of carbon fiber mechanical arm
1) high-energy rubber, Fiber prepreg and built-in pipe are cut；
2) hot self-expanding high-energy rubber parcel built-in pipe is put into core mould, is heated to 90 DEG C, maintained 30 minutes, it is warm herein
Under degree, the hot advance microdilatancy of self-expanding high-energy rubber, full of core die cavity, cooling and demolding removes pre-shaped core；
3) Fiber prepreg is wrapped in outside pre-shaped core again, obtains prefabricated component, be put into mould, matched moulds is heated to
180 DEG C of forming temperature, molding time are 10 minutes；Cooling, it is stripped, pickup, produces the armed lever of carbon fiber mechanical arm.
The Fiber prepreg is carbon fibre initial rinse fabric.
The built-in pipe can be plastic tube or the multiple material pipe of carbon fiber or metal tube.
The carbon fiber mechanical arm that the present embodiment is prepared answers large carrying capacity, and rigidity is good, from heavy and light.In grabbing workpiece
Stable action, the speed of motion are fast, and positioning precision is good.
The Fiber prepreg can be glass preimpregnated fabric or glass preimpregnated fabric.
The built-in pipe can be plastic tube or the multiple material pipe of carbon fiber or metal tube.
The carbon fiber mechanical arm that the present embodiment is prepared answers large carrying capacity, and rigidity is good, from heavy and light.In grabbing workpiece
Stable action, the speed of motion are fast, and positioning precision is good.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is not departing from the principle and objective of the present invention
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.
Claims (5)
1. a kind of HSM manufacturing process of the armed lever of carbon fiber mechanical arm, it is characterised in that step includes：
1) hot self-expanding high-energy rubber, Fiber prepreg and built-in pipe are cut；
2) hot self-expanding high-energy rubber parcel built-in pipe being put into core mould, matched moulds is heated to 80-100 DEG C, maintains 3-30 minutes,
At this temperature, the hot advance microdilatancy of self-expanding high-energy rubber, full of core die cavity, cooling and demolding takes out pre-shaped core；
3) Fiber prepreg is wrapped in outside pre-shaped core again, obtains prefabricated component, be put into mould, matched moulds is heated to be molded
120-180 DEG C of temperature, molding time are 10-60 minutes；Cooling and demolding, pickup, produce the armed lever of carbon fiber mechanical arm.
2. the HSM manufacturing process of the armed lever of carbon fiber mechanical arm described in claim 1, it is characterised in that the shaping pre-shaped
Hot self-expanding high-energy rubber multiple resistance to deformation intensity of the material product under 1% deformation of reflation intensity≤pure.
3. the HSM manufacturing process of the armed lever of carbon fiber mechanical arm described in claim 1, it is characterised in that the Fiber prepreg
For carbon fibre initial rinse fabric, glass preimpregnated fabric or aramid fiber prepreg cloth.
4. the HSM manufacturing process of the armed lever of carbon fiber mechanical arm described in claim 1, it is characterised in that the built-in pipe is modeling
Expects pipe or the multiple material pipe of carbon fiber or metal tube.
5. the HSM manufacturing process of the armed lever of carbon fiber mechanical arm described in claim 1, it is characterised in that the high-energy rubber refers to
The thermosetting composite of expansion can be started in certain temperature range, it starts 60-120 DEG C of expansion temperature, optimum expansion temperature
100-180 DEG C of scope is spent, failed expansion temperature is more than 180 DEG C, is heated and holds time 10-60 minutes, in optimum expansion temperature model
Enclose 1-50 times of volume multiplying power before and after being expanded in 100-180 DEG C, caused pressure limit 0.1-20MPa after expansion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710889371.3A CN107718603B (en) | 2017-09-27 | 2017-09-27 | HSM manufacturing process of arm rod of carbon fiber mechanical arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710889371.3A CN107718603B (en) | 2017-09-27 | 2017-09-27 | HSM manufacturing process of arm rod of carbon fiber mechanical arm |
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| Publication Number | Publication Date |
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| CN107718603A true CN107718603A (en) | 2018-02-23 |
| CN107718603B CN107718603B (en) | 2020-04-10 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110682481A (en) * | 2019-08-30 | 2020-01-14 | 四川九洲电器集团有限责任公司 | Die set |
| CN111196044A (en) * | 2018-11-16 | 2020-05-26 | 中航复合材料有限责任公司 | Compression molding method for carbon fiber composite material mechanical arm |
| CN112721236A (en) * | 2020-12-29 | 2021-04-30 | 宁波复升新材料科技有限公司 | Manufacturing method of special-shaped carbon fiber mechanical arm |
| CN113696499A (en) * | 2021-08-26 | 2021-11-26 | 航天特种材料及工艺技术研究所 | Preparation method of assembled anti-deformation lightweight carbon fiber composite material frame |
| CN114368007A (en) * | 2022-03-22 | 2022-04-19 | 杭州博适特新材料科技有限公司 | Lightweight robot arm and preparation method thereof |
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| CN106827587A (en) * | 2017-01-22 | 2017-06-13 | 厦门市豪尔新材料股份有限公司 | The forming method of application and its wing of the HSM techniques in wing shaping |
| CN107089017A (en) * | 2016-02-17 | 2017-08-25 | 厦门市豪尔新材料股份有限公司 | A kind of thermal expansion technique of the multiple material product of high-energy rubber shaping fiber |
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| CN105690803A (en) * | 2016-01-15 | 2016-06-22 | 厦门市豪尔新材料股份有限公司 | Vacuum thermal expansion molding process for composite |
| CN107089017A (en) * | 2016-02-17 | 2017-08-25 | 厦门市豪尔新材料股份有限公司 | A kind of thermal expansion technique of the multiple material product of high-energy rubber shaping fiber |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111196044A (en) * | 2018-11-16 | 2020-05-26 | 中航复合材料有限责任公司 | Compression molding method for carbon fiber composite material mechanical arm |
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| CN112721236A (en) * | 2020-12-29 | 2021-04-30 | 宁波复升新材料科技有限公司 | Manufacturing method of special-shaped carbon fiber mechanical arm |
| CN112721236B (en) * | 2020-12-29 | 2023-03-10 | 宁波复升新材料科技有限公司 | Manufacturing method of special-shaped carbon fiber mechanical arm |
| CN113696499A (en) * | 2021-08-26 | 2021-11-26 | 航天特种材料及工艺技术研究所 | Preparation method of assembled anti-deformation lightweight carbon fiber composite material frame |
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| CN114368007A (en) * | 2022-03-22 | 2022-04-19 | 杭州博适特新材料科技有限公司 | Lightweight robot arm and preparation method thereof |
| CN114368007B (en) * | 2022-03-22 | 2022-06-24 | 杭州博适特新材料科技有限公司 | Lightweight robot arm and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN107718603B (en) | 2020-04-10 |
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Effective date of registration: 20210204 Address after: 361000 unit 104, 29 Xianghong Road, industrial zone, torch hi tech Zone (Xiang'an), Xiamen City, Fujian Province Patentee after: XIAMEN ZHONGHAOQIANG CARBON FIBER COMPOSITE MATERIALS Co.,Ltd. Address before: 361000 No.29 Xianghong Road, torch hi tech Zone (Xiang'an) Industrial Zone, Xiang'an District, Xiamen City, Fujian Province Patentee before: XIAMEN HOWER MATERIAL Co.,Ltd. |
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