CN104046840A - Method for preparing corrosion-resistant copper alloy wire for automobile electronic instrument - Google Patents
Method for preparing corrosion-resistant copper alloy wire for automobile electronic instrument Download PDFInfo
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- CN104046840A CN104046840A CN201410245959.1A CN201410245959A CN104046840A CN 104046840 A CN104046840 A CN 104046840A CN 201410245959 A CN201410245959 A CN 201410245959A CN 104046840 A CN104046840 A CN 104046840A
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- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 28
- 238000005260 corrosion Methods 0.000 title abstract description 8
- 230000007797 corrosion Effects 0.000 title abstract description 8
- 238000000034 method Methods 0.000 title abstract 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 21
- 238000007670 refining Methods 0.000 claims description 15
- 238000010792 warming Methods 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 239000004113 Sepiolite Substances 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 6
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 6
- 239000010436 fluorite Substances 0.000 claims description 6
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 229910052624 sepiolite Inorganic materials 0.000 claims description 6
- 235000019355 sepiolite Nutrition 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 235000002918 Fraxinus excelsior Nutrition 0.000 claims description 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 claims description 3
- 229910001362 Ta alloys Inorganic materials 0.000 claims description 3
- 230000032683 aging Effects 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 239000002956 ash Substances 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims description 3
- 238000009749 continuous casting Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 235000021050 feed intake Nutrition 0.000 claims description 3
- 239000006052 feed supplement Substances 0.000 claims description 3
- 235000012041 food component Nutrition 0.000 claims description 3
- 239000005417 food ingredient Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000009775 high-speed stirring Methods 0.000 claims description 3
- 239000011021 lapis lazuli Substances 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000005543 nano-size silicon particle Substances 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 238000010223 real-time analysis Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 229910000077 silane Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910001297 Zn alloy Inorganic materials 0.000 abstract description 5
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 abstract description 5
- 239000011701 zinc Substances 0.000 abstract description 3
- 229910052684 Cerium Inorganic materials 0.000 abstract description 2
- 229910052688 Gadolinium Inorganic materials 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- 229910052785 arsenic Inorganic materials 0.000 abstract description 2
- 229910052732 germanium Inorganic materials 0.000 abstract description 2
- 229910052759 nickel Inorganic materials 0.000 abstract description 2
- 229910052718 tin Inorganic materials 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- PVGBHEUCHKGFQP-UHFFFAOYSA-N sodium;n-[5-amino-2-(4-aminophenyl)sulfonylphenyl]sulfonylacetamide Chemical compound [Na+].CC(=O)NS(=O)(=O)C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 PVGBHEUCHKGFQP-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The invention discloses a method for preparing a corrosion-resistant copper alloy wire for an automobile electronic instrument. The corrosion-resistant copper alloy wire comprises the following component elements in percentage by weight: 5.2-6.4% of Zn, 2.4-3.3% of Al, 0.8-1.4% of Sn, 0.5-1% of Fe, 0.03-0.05% of Bi, 0.02-0.03% of Co, 0.04-0.07% of Ni, 0.015-0.025% of Ge, 0.02-0.03% of As, 0.005-0.015% of B, 0.02-0.04% of Ce, 0.01-0.02% of Gd, 0.01-0.02% of P and the balance of copper and inevitable impurities. According to the method, due to addition of an appropriate amount of Sn, Ni, Al and other elements as well as a trace of Ge, As, Ce, Gd and other elements into the copper-zinc alloy, the mechanical strength and corrosion resistance of the copper-zinc alloy wire are improved, and since the prepared copper alloy wire has high corrosion resistance, the copper alloy wire can be applied in acid-base and high-salt medium environments for a long term and the conductivity of the copper alloy wire is not affected.
Description
Technical field
The preparation method who the present invention relates to a kind of electronic automobile meter resistal line, belongs to copper alloy manufacturing technology field.
Background technology
?copper alloy is the important materials of national economy, has good Dao electricity ﹑ Dao Re ﹑ ductility and solidity to corrosion, and widespread use is for electronic automobile meter.But the more use copper zinc alloy of existing copper alloy wire, although in this class copper alloy, have excellent physical mechanical system can and machinability, its chemical resistance is poor, cannot be under the environment such as salt fog, acid rain, seawater life-time service.
Summary of the invention
The object of the invention is to ensureing under the physical strength of copper alloy wire and the prerequisite of conductivity, the preparation method of a kind of electronic automobile meter resistal line is provided.
The technical solution used in the present invention is as follows:
A preparation method for resistal line for electronic automobile meter, comprises the following steps:
(1) copper billet added in smelting furnace and be warming up to fusing at 1160-1220 DEG C, being then warming up to 1230-1260 DEG C, adding associated alloys food ingredient, stir, after whole fusings, temperature adjustment adds refining agent refining 20-30min to 1150-1200 DEG C, after skimming, is incubated 15-20min; Again copper alloy liquid is carried out to stokehold chemistry real-time analysis, the weight percent of each elemental composition in copper alloy liquid is met the following requirements:
Zn 5.2-6.4, Al 2.4-3.3, Sn 0.8-1.4, Fe 0.5-1, Bi 0.03-0.05, Co 0.02-0.03, Ni 0.04-0.07, Ge 0.015-0.025, As 0.02-0.03, B 0.005-0.015, Ce 0.02-0.04, Gd 0.01-0.02, P 0.01-0.02, surplus is copper and inevitable impurity; After analysis, adjust feed supplement according to the weight percent of each component in formula;
(2) feed intake the 0.2-0.4% of weight to dropping into the fusing of Si-Mn-Pr-Ta alloy block in stove by copper billet, in alloy block, the mass ratio of Si, Mn, Pr, Ta element is 2-4:3-5:0.3-0.6:0.4-0.8, stirs 35-45min; Then temperature adjustment is to 1220-1250 DEG C, then adds refining agent refining 15-20min, insulation 10-15min after slagging-off;
(3) continuous casting and rolling becomes copper alloy bar, drawing wire machine to be drawn into copper alloy single line;
(4) copper alloy wire is sent into and in heat treatment furnace, carried out ageing treatment: be first warming up to 280-320 DEG C with 120-150 DEG C/h speed, insulation 3-4h, then be warming up to 400-420 DEG C with 60-80 DEG C/h speed, insulation 2-3h; Then be cooled to 240-260 DEG C with 80-100 DEG C/h speed, insulation 4-5h; Then the 50-60 DEG C of water of quenching, insulation 5-8h, then be warming up to 320-350 DEG C with 100-120 DEG C/h speed, insulation 3-4h, then be cooled to 180-200 DEG C with 70-90 DEG C/h speed, and insulation 4-6h, air cooling is to room temperature.
The preparation method of described refining agent is as follows: a, get the raw material of following weight part: sepiolite 3-5, fluorite 1-2, montmorillonite 2-3, sodium carbonate 3-4, Sodium Silicofluoride 4-6, vanadium diboride 2-2.5, lapis amiridis 1-2, trees ashes 2-3, nano-silicon nitride 1.5-2.5, silane resin acceptor kh-550 1-2; B, sepiolite, fluorite, montmorillonite are mixed to send at 510-540 DEG C and calcine 3-5h, take out and pulverized 200-300 mesh sieve; The slurries of 40-50% are made in the making beating that adds water, then adding concentration is the hydrochloric acid soln adjusting slurries PH=4.5-5.5 of 10-15%, 2000-3000rpm speed lapping 20-30min, it is neutral that the sodium hydroxide solution that is 15-20% by concentration regulates lapping liquid pH value, and spraying is dried to obtain powder, then adds all the other raw materials, 1000-1500rpm high-speed stirring 5-10min, dry, pulverize, cross 300-400 mesh sieve.
Beneficial effect of the present invention:
The present invention is by adding the element such as Ge, As, Ce, Gd of the elements such as appropriate Sn, Ni, Al and trace in copper zinc alloy, physical strength and the corrosion resistance nature of copper zinc alloy wire are improved, the copper alloy wire highly corrosion resistant making, can be under soda acid, high salt medium environment life-time service, do not affect its conductivity.
embodiment
A preparation method for resistal line for electronic automobile meter, comprises the following steps:
(1) copper billet added in smelting furnace and be warming up to fusing at 1220 DEG C, being then warming up to 1260 DEG C, adding associated alloys food ingredient, stirring, after all melting, temperature adjustment to 1180 DEG C adds refining agent refining 30min, after skimming, is incubated 20min; Again copper alloy liquid is carried out to stokehold chemistry real-time analysis, the weight percent of each elemental composition in copper alloy liquid is met the following requirements: Zn 5.2-6.4, Al 2.4-3.3, Sn 0.8-1.4, Fe 0.5-1, Bi 0.03-0.05, Co 0.02-0.03, Ni 0.04-0.07, Ge 0.015-0.025, As 0.02-0.03, B 0.005-0.015, Ce 0.02-0.04, Gd 0.01-0.02, P 0.01-0.02, surplus is copper and inevitable impurity; After analysis, adjust feed supplement according to the weight percent of each component in formula;
(2) by copper billet feed intake weight 0.3% to dropping into the fusing of Si-Mn-Pr-Ta alloy block in stove, in alloy block, the mass ratio of Si, Mn, Pr, Ta element is 3:5:0.3:0.5, stirs 40min; Then temperature adjustment to 1240 DEG C, then add refining agent refining 18min, insulation 12min after slagging-off;
(3) continuous casting and rolling becomes copper alloy bar, drawing wire machine to be drawn into copper alloy single line;
(4) copper alloy wire is sent into and in heat treatment furnace, carried out ageing treatment: be first warming up to 320 DEG C with 130 DEG C/h speed, insulation 3h, then be warming up to 410 DEG C with 70 DEG C/h speed, insulation 2h; Then be cooled to 250 DEG C with 100 DEG C/h speed, insulation 4h; Then the 50 DEG C of water of quenching, insulation 6h, then be warming up to 340 DEG C with 120 DEG C/h speed, insulation 3h, then be cooled to 180 DEG C with 80 DEG C/h speed, and insulation 5h, air cooling is to room temperature.
The preparation method of described refining agent is as follows: a, get the raw material of following weight (kg): sepiolite 4, fluorite 2, montmorillonite 2, sodium carbonate 4, Sodium Silicofluoride 5, vanadium diboride 2, lapis amiridis 1.5, trees ashes 2, nano-silicon nitride 2, silane resin acceptor kh-550 1.5; B, sepiolite, fluorite, montmorillonite are mixed to send at 530 DEG C and calcine 4h, take out and pulverized 200 mesh sieves; 45% slurries are made in the making beating that adds water, then add concentration and be 15% hydrochloric acid soln and regulate slurries PH=4.5,3000rpm speed lapping 20min, it is neutral that the sodium hydroxide solution that is 15% by concentration regulates lapping liquid pH value, and spraying is dried to obtain powder, then adds all the other raw materials, 1500rpm high-speed stirring 5min, dry, pulverize, cross 300 mesh sieves.
The copper alloy wire making is through inspection, and its salient features is: tensile strength 498Mpa, yield strength is 374Mpa, unit elongation 18%, electric conductivity IACS(20 DEG C) 91%.
Claims (2)
1. a preparation method for resistal line for electronic automobile meter, is characterized in that comprising the following steps:
(1) copper billet added in smelting furnace and be warming up to fusing at 1160-1220 DEG C, being then warming up to 1230-1260 DEG C, adding associated alloys food ingredient, stir, after whole fusings, temperature adjustment adds refining agent refining 20-30min to 1150-1200 DEG C, after skimming, is incubated 15-20min; Again copper alloy liquid is carried out to stokehold chemistry real-time analysis, the weight percent of each elemental composition in copper alloy liquid is met the following requirements:
Zn 5.2-6.4, Al 2.4-3.3, Sn 0.8-1.4, Fe 0.5-1, Bi 0.03-0.05, Co 0.02-0.03, Ni 0.04-0.07, Ge 0.015-0.025, As 0.02-0.03, B 0.005-0.015, Ce 0.02-0.04, Gd 0.01-0.02, P 0.01-0.02, surplus is copper and inevitable impurity; After analysis, adjust feed supplement according to the weight percent of each component in formula;
(2) feed intake the 0.2-0.4% of weight to dropping into the fusing of Si-Mn-Pr-Ta alloy block in stove by copper billet, in alloy block, the mass ratio of Si, Mn, Pr, Ta element is 2-4:3-5:0.3-0.6:0.4-0.8, stirs 35-45min; Then temperature adjustment is to 1220-1250 DEG C, then adds refining agent refining 15-20min, insulation 10-15min after slagging-off;
(3) continuous casting and rolling becomes copper alloy bar, drawing wire machine to be drawn into copper alloy single line;
Copper alloy wire is sent into and in heat treatment furnace, carried out ageing treatment: be first warming up to 280-320 DEG C with 120-150 DEG C/h speed, insulation 3-4h, then be warming up to 400-420 DEG C with 60-80 DEG C/h speed, insulation 2-3h; Then be cooled to 240-260 DEG C with 80-100 DEG C/h speed, insulation 4-5h; Then the 50-60 DEG C of water of quenching, insulation 5-8h, then be warming up to 320-350 DEG C with 100-120 DEG C/h speed, insulation 3-4h, then be cooled to 180-200 DEG C with 70-90 DEG C/h speed, and insulation 4-6h, air cooling is to room temperature.
2. the preparation method of resistal line for a kind of electronic automobile meter according to claim 1, it is characterized in that, the preparation method of described refining agent is as follows: a, get the raw material of following weight part: sepiolite 3-5, fluorite 1-2, montmorillonite 2-3, sodium carbonate 3-4, Sodium Silicofluoride 4-6, vanadium diboride 2-2.5, lapis amiridis 1-2, trees ashes 2-3, nano-silicon nitride 1.5-2.5, silane resin acceptor kh-550 1-2; B, sepiolite, fluorite, montmorillonite are mixed to send at 510-540 DEG C and calcine 3-5h, take out and pulverized 200-300 mesh sieve; The slurries of 40-50% are made in the making beating that adds water, then adding concentration is the hydrochloric acid soln adjusting slurries PH=4.5-5.5 of 10-15%, 2000-3000rpm speed lapping 20-30min, it is neutral that the sodium hydroxide solution that is 15-20% by concentration regulates lapping liquid pH value, and spraying is dried to obtain powder, then adds all the other raw materials, 1000-1500rpm high-speed stirring 5-10min, dry, pulverize, cross 300-400 mesh sieve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410245959.1A CN104046840B (en) | 2014-06-05 | 2014-06-05 | A kind of preparation method of electronic automobile meter Albrac line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410245959.1A CN104046840B (en) | 2014-06-05 | 2014-06-05 | A kind of preparation method of electronic automobile meter Albrac line |
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| Publication Number | Publication Date |
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| CN104046840A true CN104046840A (en) | 2014-09-17 |
| CN104046840B CN104046840B (en) | 2016-06-15 |
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| CN201410245959.1A Expired - Fee Related CN104046840B (en) | 2014-06-05 | 2014-06-05 | A kind of preparation method of electronic automobile meter Albrac line |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105483424A (en) * | 2016-02-01 | 2016-04-13 | 东莞品派实业投资有限公司 | Anti-corrosion aluminum alloy wire for motormeter and preparation method thereof |
| CN108118168A (en) * | 2017-12-21 | 2018-06-05 | 四川航天职业技术学院 | A kind of forming method of superhigh temperature antifriction alloy |
| CN110735062A (en) * | 2019-11-27 | 2020-01-31 | 张燕 | corrosion-resistant tensile copper alloy wire and production process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1025562A (en) * | 1996-07-11 | 1998-01-27 | Dowa Mining Co Ltd | Copper-based alloy and method for producing the same |
| CN103352140A (en) * | 2013-07-01 | 2013-10-16 | 铜陵兴怡金属材料有限公司 | High-strength high-conductivity heatproof copper alloy wire rod and preparation method thereof |
| CN103834875A (en) * | 2014-03-13 | 2014-06-04 | 安徽菲茵特电梯有限公司 | Anti-corrosion elastic alloy material and preparation method thereof |
-
2014
- 2014-06-05 CN CN201410245959.1A patent/CN104046840B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1025562A (en) * | 1996-07-11 | 1998-01-27 | Dowa Mining Co Ltd | Copper-based alloy and method for producing the same |
| CN103352140A (en) * | 2013-07-01 | 2013-10-16 | 铜陵兴怡金属材料有限公司 | High-strength high-conductivity heatproof copper alloy wire rod and preparation method thereof |
| CN103834875A (en) * | 2014-03-13 | 2014-06-04 | 安徽菲茵特电梯有限公司 | Anti-corrosion elastic alloy material and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105483424A (en) * | 2016-02-01 | 2016-04-13 | 东莞品派实业投资有限公司 | Anti-corrosion aluminum alloy wire for motormeter and preparation method thereof |
| CN108118168A (en) * | 2017-12-21 | 2018-06-05 | 四川航天职业技术学院 | A kind of forming method of superhigh temperature antifriction alloy |
| CN110735062A (en) * | 2019-11-27 | 2020-01-31 | 张燕 | corrosion-resistant tensile copper alloy wire and production process thereof |
| CN110735062B (en) * | 2019-11-27 | 2020-10-30 | 深圳市神州线缆有限公司 | Corrosion-resistant tensile copper alloy wire and production process thereof |
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| CN104046840B (en) | 2016-06-15 |
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Effective date of registration: 20201103 Address after: 244000 No.2 workshop, no.3888, west section of Cuihu Sixth Road, Tongling City, Anhui Province Patentee after: Anhui Xinchen Automobile Manufacturing Co., Ltd Address before: 244061 Mount Huangshan Road, Tongling economic and Technological Development Zone, Anhui Patentee before: SHARP EXHIBITION (TONGLING) TECHNOLOGY Co.,Ltd. |
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