CN106282853A - 一种汽车齿轮用铁基复合材料的制备方法 - Google Patents
一种汽车齿轮用铁基复合材料的制备方法 Download PDFInfo
- Publication number
- CN106282853A CN106282853A CN201610789781.6A CN201610789781A CN106282853A CN 106282853 A CN106282853 A CN 106282853A CN 201610789781 A CN201610789781 A CN 201610789781A CN 106282853 A CN106282853 A CN 106282853A
- Authority
- CN
- China
- Prior art keywords
- automobile gear
- sintering
- composite material
- powder
- base composite
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 20
- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 11
- 239000000956 alloy Substances 0.000 claims abstract description 8
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims abstract description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 25
- 239000004917 carbon fiber Substances 0.000 claims description 25
- 238000005245 sintering Methods 0.000 claims description 25
- 239000000843 powder Substances 0.000 claims description 21
- 238000010791 quenching Methods 0.000 claims description 12
- 230000000171 quenching effect Effects 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- AHADSRNLHOHMQK-UHFFFAOYSA-N methylidenecopper Chemical compound [Cu].[C] AHADSRNLHOHMQK-UHFFFAOYSA-N 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 5
- 238000005496 tempering Methods 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 2
- 238000010348 incorporation Methods 0.000 claims description 2
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 claims description 2
- 238000005461 lubrication Methods 0.000 claims 1
- 238000013016 damping Methods 0.000 abstract description 3
- 238000005303 weighing Methods 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 18
- 238000007747 plating Methods 0.000 description 16
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 230000004913 activation Effects 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 229910052763 palladium Inorganic materials 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000007788 roughening Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- BDOYKFSQFYNPKF-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]ethyl-(carboxymethyl)amino]acetic acid;sodium Chemical compound [Na].[Na].OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O BDOYKFSQFYNPKF-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910019430 NaSnO3 Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 206010070834 Sensitisation Diseases 0.000 description 2
- NSOXQYCFHDMMGV-UHFFFAOYSA-N Tetrakis(2-hydroxypropyl)ethylenediamine Chemical compound CC(O)CN(CC(C)O)CCN(CC(C)O)CC(C)O NSOXQYCFHDMMGV-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 239000000276 potassium ferrocyanide Substances 0.000 description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000008313 sensitization Effects 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- XOGGUFAVLNCTRS-UHFFFAOYSA-N tetrapotassium;iron(2+);hexacyanide Chemical compound [K+].[K+].[K+].[K+].[Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] XOGGUFAVLNCTRS-UHFFFAOYSA-N 0.000 description 2
- 229910001868 water Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/14—Making alloys containing metallic or non-metallic fibres or filaments by powder metallurgy, i.e. by processing mixtures of metal powder and fibres or filaments
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/02—Pretreatment of the fibres or filaments
- C22C47/04—Pretreatment of the fibres or filaments by coating, e.g. with a protective or activated covering
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/08—Iron group metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/1851—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material
- C23C18/1872—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by chemical pretreatment
- C23C18/1875—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by chemical pretreatment only one step pretreatment
- C23C18/1879—Use of metal, e.g. activation, sensitisation with noble metals
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/38—Coating with copper
- C23C18/40—Coating with copper using reducing agents
- C23C18/405—Formaldehyde
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Gears, Cams (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610789781.6A CN106282853B (zh) | 2016-08-31 | 2016-08-31 | 一种汽车齿轮用铁基复合材料的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610789781.6A CN106282853B (zh) | 2016-08-31 | 2016-08-31 | 一种汽车齿轮用铁基复合材料的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106282853A true CN106282853A (zh) | 2017-01-04 |
CN106282853B CN106282853B (zh) | 2018-11-27 |
Family
ID=57674092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610789781.6A Active CN106282853B (zh) | 2016-08-31 | 2016-08-31 | 一种汽车齿轮用铁基复合材料的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106282853B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109957743A (zh) * | 2017-12-26 | 2019-07-02 | 江苏联强货架有限公司 | 一种轻质耐磨铁基复合材料及其制备方法 |
CN116770158A (zh) * | 2023-06-28 | 2023-09-19 | 扬州新乐新材料有限公司 | 一种汽车齿轮用铁基复合材料的制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104388847A (zh) * | 2014-12-02 | 2015-03-04 | 宁波新睦新材料有限公司 | 一种碳纤维增强的铜基复合材料及其制备方法 |
CN104404404A (zh) * | 2014-12-02 | 2015-03-11 | 宁波新睦新材料有限公司 | 一种铜基复合材料的制备方法、及铜基复合材料 |
CN104404365A (zh) * | 2014-12-02 | 2015-03-11 | 宁波新睦新材料有限公司 | 一种铁基复合材料的制备方法、及铁基复合材料 |
CN104550913A (zh) * | 2014-12-25 | 2015-04-29 | 铜陵市经纬流体科技有限公司 | 一种耐腐蚀铁基粉末冶金阀门及其制备方法 |
CN105112712A (zh) * | 2015-07-30 | 2015-12-02 | 河南科技大学 | 一种高强高导点焊电极用弥散强化铜基复合材料及其制备方法 |
-
2016
- 2016-08-31 CN CN201610789781.6A patent/CN106282853B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104388847A (zh) * | 2014-12-02 | 2015-03-04 | 宁波新睦新材料有限公司 | 一种碳纤维增强的铜基复合材料及其制备方法 |
CN104404404A (zh) * | 2014-12-02 | 2015-03-11 | 宁波新睦新材料有限公司 | 一种铜基复合材料的制备方法、及铜基复合材料 |
CN104404365A (zh) * | 2014-12-02 | 2015-03-11 | 宁波新睦新材料有限公司 | 一种铁基复合材料的制备方法、及铁基复合材料 |
CN104550913A (zh) * | 2014-12-25 | 2015-04-29 | 铜陵市经纬流体科技有限公司 | 一种耐腐蚀铁基粉末冶金阀门及其制备方法 |
CN105112712A (zh) * | 2015-07-30 | 2015-12-02 | 河南科技大学 | 一种高强高导点焊电极用弥散强化铜基复合材料及其制备方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109957743A (zh) * | 2017-12-26 | 2019-07-02 | 江苏联强货架有限公司 | 一种轻质耐磨铁基复合材料及其制备方法 |
CN116770158A (zh) * | 2023-06-28 | 2023-09-19 | 扬州新乐新材料有限公司 | 一种汽车齿轮用铁基复合材料的制备方法 |
CN116770158B (zh) * | 2023-06-28 | 2023-11-28 | 扬州新乐新材料有限公司 | 一种汽车齿轮用铁基复合材料的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN106282853B (zh) | 2018-11-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102000824A (zh) | 一种发动机凸轮轴凸轮的制造方法 | |
CA2420531C (en) | Method for producing powder metal materials | |
CN106077609A (zh) | 高韧性铁基粉末冶金气门座 | |
CN102000825A (zh) | 一种摩托车离合器主动齿轮的制造方法 | |
CN105018824B (zh) | 一种粉末冶金凸轮的制备方法 | |
CN104388847A (zh) | 一种碳纤维增强的铜基复合材料及其制备方法 | |
CN1944715A (zh) | 表面具有硬贝氏体组织齿轮的制造工艺 | |
CN107245676A (zh) | 高速直线刹车用铜基粉末冶金摩擦材料及其制备方法 | |
CN106367697A (zh) | 一种碳纳米管增强的铁基复合材料的制备方法 | |
CN106282853A (zh) | 一种汽车齿轮用铁基复合材料的制备方法 | |
CN106086679A (zh) | 一种高速列车锻钢制动盘用钢材料及其锻件的锻造工艺 | |
CN106676438B (zh) | 一种提高铝合金热成形效率及成形性的方法 | |
CN105149569A (zh) | 一种粉末冶金减震器活塞杆及其制备方法 | |
CN106399874B (zh) | 一种高性能铁基复合材料的制备方法 | |
CN105234405B (zh) | 一种具有致密化表面的铁基粉末冶金零件的制备方法 | |
CN100497720C (zh) | 以硼砂熔盐为载体表面复合渗入钒铌的金属工件的生产方法 | |
CN104561807B (zh) | 一种碳化硅晶须增强铁基复合材料及其制备方法 | |
CN108950170A (zh) | 汽车减速器齿轮渗碳淬火变形控制方法及应用 | |
CN106051008A (zh) | 一种摩擦材料及其制备方法 | |
CN104894507B (zh) | 不锈钢筛板的高温渗溶氮处理方法 | |
CN105861934A (zh) | 一种高强度冲压模具合金钢 | |
CN107400838A (zh) | 一种高耐磨性热作模具钢及其制备方法 | |
CN116770158A (zh) | 一种汽车齿轮用铁基复合材料的制备方法 | |
CN103320714A (zh) | 一种抗高温磨损的含铝合金钢及其制备方法 | |
CN110453101A (zh) | 夹金属铜鳞片石墨增强铜基复合材料及其制备方法和应用 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190905 Address after: 315176 Buzheng Village Hengjie, Gulin Town, Haishu District, Ningbo City, Zhejiang Province Patentee after: Ningbo Xinmu Technology Co.,Ltd. Address before: 315176 Yinzhou District, Ningbo City, the ancient town of cloth Lin Zheng Village Patentee before: NINGBO XINMU NEW MATERIAL CO.,LTD. |
|
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 315176, 1st Floor, Building 1, No. 191 Changyang Road, Jiangbei District, Ningbo City, Zhejiang Province, China, and Floors 1-5, Building 029, No. 191 Changyang Road Patentee after: Ningbo Xinmu Technology Co.,Ltd. Country or region after: China Address before: 315176 Gu Lin Zhen Bu Zheng Cun Heng Jie, Haishu District, Ningbo City, Zhejiang Province Patentee before: Ningbo Xinmu Technology Co.,Ltd. Country or region before: China |