CN104032169A - Cerium-containing leadless free-cutting zinc-copper-nickel alloy material and preparation method thereof - Google Patents
Cerium-containing leadless free-cutting zinc-copper-nickel alloy material and preparation method thereof Download PDFInfo
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- CN104032169A CN104032169A CN201410197424.1A CN201410197424A CN104032169A CN 104032169 A CN104032169 A CN 104032169A CN 201410197424 A CN201410197424 A CN 201410197424A CN 104032169 A CN104032169 A CN 104032169A
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- 239000000956 alloy Substances 0.000 title claims abstract description 19
- 229910052684 Cerium Inorganic materials 0.000 title claims abstract description 18
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims description 7
- 238000005520 cutting process Methods 0.000 title abstract description 4
- KOMIMHZRQFFCOR-UHFFFAOYSA-N [Ni].[Cu].[Zn] Chemical compound [Ni].[Cu].[Zn] KOMIMHZRQFFCOR-UHFFFAOYSA-N 0.000 title abstract 4
- 239000010949 copper Substances 0.000 claims abstract description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 238000007670 refining Methods 0.000 claims abstract description 17
- 238000005266 casting Methods 0.000 claims abstract description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 229910052729 chemical element Inorganic materials 0.000 claims abstract description 7
- 229910052796 boron Inorganic materials 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 229910000570 Cupronickel Inorganic materials 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 12
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- 238000005275 alloying Methods 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 12
- 238000010792 warming Methods 0.000 claims description 12
- 235000014692 zinc oxide Nutrition 0.000 claims description 12
- 239000011787 zinc oxide Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 7
- 235000002918 Fraxinus excelsior Nutrition 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 235000003283 Pachira macrocarpa Nutrition 0.000 claims description 6
- 241001083492 Trapa Species 0.000 claims description 6
- 235000014364 Trapa natans Nutrition 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 6
- 239000002956 ash 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
- 239000004927 clay Substances 0.000 claims description 6
- 238000001816 cooling Methods 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
- 239000012467 final product Substances 0.000 claims description 6
- 239000010436 fluorite Substances 0.000 claims description 6
- 239000010977 jade Substances 0.000 claims description 6
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 235000009165 saligot Nutrition 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 239000011701 zinc Substances 0.000 claims description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 239000011572 manganese Substances 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229960001866 silicon dioxide Drugs 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 abstract description 5
- 229910045601 alloy Inorganic materials 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000010956 nickel silver Substances 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
A cerium-containing leadless free-cutting zinc-copper-nickel alloy material comprises the chemical elements in percent by mass: 40-42% of Zn, 9-11% of Ni, 0.5-0.8% of Co, 0.15-0.18% of B, 0.05-0.08% of Mn, 0.03-0.05% of Ce, 0.05-0.08% of As, 0.08-0.1% of Hf, and the balance Cu. The zinc-copper-nickel alloy possesses the characteristics of excellent corrosion resistance and cold/hot processing formability originally owned by zinc-copper-nickel alloy; by adding B, Ce, Hf and other elements, the copper alloy is improved in cutting performance and electric conductivity, and the lead pollution problem is solved; and by reasonably controlling the processing temperature after casting and taking waste copper as a raw material, the hardness of the core part and the hardness of the surface are basically consistent, and the alloy quality is uniform. An employed refining agent is used for casting production, is capable of reducing the porosity degree of a casting by 1-2 degree and enabling the oxide inclusions to be around second grade, and helps to obviously improve the yield.
Description
Technical field
The present invention relates to the manufacture field of metal alloy compositions, relate in particular to a kind of containing cerium lead-free easy-to-cut zinc-white copper alloy material and preparation method thereof.
Background technology
Copper is because of its good electroconductibility, plasticity-, and erosion resistance, applies very extensive.In copper alloy, add Lv ﹑ Nie ﹑ Meng ﹑ Xi ﹑ Gui ﹑ lead and other elements, can improve the performance of copper, for different places.Still there are some problems in the existing copper alloy of China at present, and as alloy contains a large amount of impurity elements, high temperature fatigue is poor, hot strength is low; Hardness is low, wears no resistance, frictional coefficient is large, and work-ing life is short; Poorly conductive, waste electric energy; Bending machining performance is poor, easily fractures; Quality weight, constructional difficulties; Can't meet market demands.
Summary of the invention
The object of the present invention is to provide a kind of cerium lead-free easy-to-cut zinc-white copper alloy material and preparation method thereof that contains, this Cu alloy material has good, the corrosion resistant advantage of cold and hot working performance.
Technical scheme of the present invention is as follows:
A kind of containing cerium lead-free easy-to-cut zinc-white copper alloy material, it is characterized in that: chemical element composition and mass percent thereof that it contains are: zinc 40-42, nickel 9-11, cobalt 0. 5-0.8, boron 0.15-0.18, manganese 0.05-0.08, cerium 0.03-0.05, As0.05-0.08, Hf0.08-0.1, surplus are copper.
The described production method containing cerium lead-free easy-to-cut zinc-white copper alloy material, is characterized in that:
(1), preparing fine copper and copper scrap originates as copper matrix in 1:0.3-0.5 ratio, fine copper is added to drop in stove and melt, carry out removing impurities matter, deoxidation, employing refining agent initial refining, add alloying constituent and carry out alloying, then add copper scrap fusing, add refining agent secondary refining, detection and adjust chemical element component content to qualified, casting, casting postheat treatment etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove be: (1) zinc, As; (2) nickel, manganese, Hf; (3) other remaining components; The each batch of timed interval of dropping into element is 21-25 minute, after feeding intake, stirs.
Described casting postheat treatment is: be first warming up to 250-260 DEG C by room temperature with 220-230 DEG C/h of speed, and insulation 50-60 minute, then be warming up to 570-590 DEG C with 220-230 DEG C/h of speed, insulation 1-2 hour; Be cooled to 100-110 DEG C with 250-260 DEG C/h of speed again, insulation 1-2 hour; Be warming up to 340-350 DEG C with 220-230 DEG C/h of speed again, insulation 1-2 hour; Be cooled to 100-110 DEG C with 250-260 DEG C/h of speed again, insulation 1-2 hour; Be warming up to 260-280 DEG C with 180-190 DEG C/h of speed again, insulation 2-3 hour, takes out air cooling and get final product.
Described refining agent is made up of the raw material of following weight part: silica 1 5-20, rhombspar 3-5, bitter water chestnut soil 4-8, clay 30-35, titanium dioxide 2-3, fluorite 6-8, jade powder 3-4, montmorillonite 1-2, trees ashes 1-2, Na
2tiF
68-10, Sodium Silicofluoride 3-4; Its preparation method is that silicon-dioxide, rhombspar, bitter water chestnut soil, clay, titanium dioxide, fluorite, jade powder, montmorillonite, trees ashes are mixed, be heated to 2600-3000 DEG C, stir 1-2 hour, after cooling, be added in the hydrochloric acid soln of 10-15%, soak 1-2 hour, filter, filter residue is cleaned with clear water repeatedly, dries, and merges and mixes and get final product with other composition.
Beneficial effect of the present invention
German silver of the present invention has the characteristic of the own excellent corrosion resistance of German silver, cold and hot working good moldability; By adding the elements such as boron, cerium, Hf, improve cutting ability and the conductivity of copper alloy, and solved Lead contamination problem; By reasonable control casting post-processing temperature, use copper scrap as raw material, make core hardness and surface hardness basically identical, alloy quality homogeneous.Refining agent of the present invention, for Foundry Production, can make the degree of porosity in foundry goods reduce 1-2 degree, and oxide inclusion, 2 grades of left and right, obviously improves yield rate.
Embodiment
A kind of containing cerium lead-free easy-to-cut zinc-white copper alloy material, chemical element composition and mass percent thereof that it contains are: zinc 40-42, nickel 9-11, cobalt 0. 5-0.8, boron 0.15-0.18, manganese 0.05-0.08, cerium 0.03-0.05, As0.05-0.08, Hf0.08-0.1, surplus are copper.
The described production method containing cerium lead-free easy-to-cut zinc-white copper alloy material is as follows:
(1), preparing fine copper and copper scrap originates as copper matrix in 1:0.4 ratio, fine copper is added to drop in stove and melt, carry out removing impurities matter, deoxidation, employing refining agent initial refining, add alloying constituent and carry out alloying, then add copper scrap fusing, add refining agent secondary refining, detection and adjust chemical element component content to qualified, casting, casting postheat treatment etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove be: (1) zinc, As; (2) nickel, manganese, Hf; (3) other remaining components; The each batch of timed interval of dropping into element is 23 minutes, after feeding intake, stirs.
Described casting postheat treatment is: be first warming up to 255 DEG C by room temperature with 225 DEG C/h of speed, be incubated 55 minutes, then be warming up to 580 DEG C with 225 DEG C/h of speed, be incubated 1.5 hours; Be cooled to 105 DEG C with 255 DEG C/h of speed again, be incubated 1.5 hours; Be warming up to 345 DEG C with 225 DEG C/h of speed again, be incubated 1.5 hours; Be cooled to 105 DEG C with 255 DEG C/h of speed again, be incubated 1.5 hours; Be warming up to 270 DEG C with 185 DEG C/h of speed again, be incubated 2.5 hours, take out air cooling and get final product.
Described refining agent by following weight part (kilogram) raw material make: silica 15, rhombspar 3, bitter water chestnut soil 4, clay 30, titanium dioxide 2, fluorite 8, jade powder 4, montmorillonite 1, trees ashes 2, Na
2tiF
68, Sodium Silicofluoride 3; Its preparation method is that silicon-dioxide, rhombspar, bitter water chestnut soil, clay, titanium dioxide, fluorite, jade powder, montmorillonite, trees ashes are mixed, be heated to 2600-3000 DEG C, stir 1-2 hour, after cooling, be added in the hydrochloric acid soln of 10-15%, soak 1-2 hour, filter, filter residue is cleaned with clear water repeatedly, dries, and merges and mixes and get final product with other composition.
The present embodiment is containing cerium lead-free easy-to-cut zinc-white copper alloy material, and tensile strength б b is 530Mpa, yield strength 494MPa, and hardness value HB is 139, electric conductivity %IACS74,605 DEG C of softening temperatures, 20 DEG C of unit elongation 15.5%.
Claims (4)
1. containing a cerium lead-free easy-to-cut zinc-white copper alloy material, it is characterized in that: chemical element composition and mass percent thereof that it contains are: zinc 40-42, nickel 9-11, cobalt 0. 5-0.8, boron 0.15-0.18, manganese 0.05-0.08, cerium 0.03-0.05, As0.05-0.08, Hf0.08-0.1, surplus are copper.
2. the production method containing cerium lead-free easy-to-cut zinc-white copper alloy material according to claim 1, is characterized in that:
(1), preparing fine copper and copper scrap originates as copper matrix in 1:0.3-0.5 ratio, fine copper is added to drop in stove and melt, carry out removing impurities matter, deoxidation, employing refining agent initial refining, add alloying constituent and carry out alloying, then add copper scrap fusing, add refining agent secondary refining, detection and adjust chemical element component content to qualified, casting, casting postheat treatment etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove be: (1) zinc, As; (2) nickel, manganese, Hf; (3) other remaining components; The each batch of timed interval of dropping into element is 21-25 minute, after feeding intake, stirs.
3. the production method containing cerium lead-free easy-to-cut zinc-white copper alloy material according to claim 2, it is characterized in that: described casting postheat treatment is: be first warming up to 250-260 DEG C by room temperature with 220-230 DEG C/h of speed, insulation 50-60 minute, be warming up to 570-590 DEG C with 220-230 DEG C/h of speed again, insulation 1-2 hour; Be cooled to 100-110 DEG C with 250-260 DEG C/h of speed again, insulation 1-2 hour; Be warming up to 340-350 DEG C with 220-230 DEG C/h of speed again, insulation 1-2 hour; Be cooled to 100-110 DEG C with 250-260 DEG C/h of speed again, insulation 1-2 hour; Be warming up to 260-280 DEG C with 180-190 DEG C/h of speed again, insulation 2-3 hour, takes out air cooling and get final product.
4. the production method containing cerium lead-free easy-to-cut zinc-white copper alloy material according to claim 2, is characterized in that: described refining agent is made up of the raw material of following weight part: silica 1 5-20, rhombspar 3-5, bitter water chestnut soil 4-8, clay 30-35, titanium dioxide 2-3, fluorite 6-8, jade powder 3-4, montmorillonite 1-2, trees ashes 1-2, Na
2tiF
68-10, Sodium Silicofluoride 3-4; Its preparation method is that silicon-dioxide, rhombspar, bitter water chestnut soil, clay, titanium dioxide, fluorite, jade powder, montmorillonite, trees ashes are mixed, be heated to 2600-3000 DEG C, stir 1-2 hour, after cooling, be added in the hydrochloric acid soln of 10-15%, soak 1-2 hour, filter, filter residue is cleaned with clear water repeatedly, dries, and merges and mixes and get final product with other composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410197424.1A CN104032169B (en) | 2014-05-12 | 2014-05-12 | A kind of containing cerium lead-free easy-to-cut zinc-white copper alloy material and preparation method thereof |
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| CN201410197424.1A CN104032169B (en) | 2014-05-12 | 2014-05-12 | A kind of containing cerium lead-free easy-to-cut zinc-white copper alloy material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104032169A true CN104032169A (en) | 2014-09-10 |
| CN104032169B CN104032169B (en) | 2016-10-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313369A (en) * | 2014-10-29 | 2015-01-28 | 陈唯锋 | Preparation method of copper alloy for valve |
| CN106282631A (en) * | 2016-10-25 | 2017-01-04 | 嘉善蓝欣涂料有限公司 | A kind of high fluidity copper-nickel alloy refining agent and preparation method thereof |
| CN111455200A (en) * | 2020-04-16 | 2020-07-28 | 宁波金田铜业(集团)股份有限公司 | Preparation method for directly producing copper ingot for environment-friendly bath by using scrap copper |
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| CN104313369A (en) * | 2014-10-29 | 2015-01-28 | 陈唯锋 | Preparation method of copper alloy for valve |
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| CN111455200A (en) * | 2020-04-16 | 2020-07-28 | 宁波金田铜业(集团)股份有限公司 | Preparation method for directly producing copper ingot for environment-friendly bath by using scrap copper |
| CN111455200B (en) * | 2020-04-16 | 2022-02-15 | 宁波金田铜业(集团)股份有限公司 | Preparation method for directly producing copper ingot for environment-friendly bath by using scrap copper |
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| CN104032169B (en) | 2016-10-05 |
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Effective date of registration: 20181205 Address after: 538000 Guangxi Fangchenggang Economic and Technological Development Zone Patentee after: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Address before: 233000 Huaiyuan Economic Development Zone, Bengbu, Anhui Patentee before: BENGBU HONGWEI FILTER Co.,Ltd. |
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Denomination of invention: The invention relates to a cerium containing lead-free free cutting zinc white copper alloy material and a preparation method thereof Effective date of registration: 20211203 Granted publication date: 20161005 Pledgee: Bank of Guilin Co.,Ltd. Fangchenggang branch Pledgor: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Registration number: Y2021450000056 |
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Date of cancellation: 20220714 Granted publication date: 20161005 Pledgee: Bank of Guilin Co.,Ltd. Fangchenggang branch Pledgor: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Registration number: Y2021450000056 |
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Denomination of invention: A cerium containing lead-free free cutting zinc white copper alloy material and its preparation method Effective date of registration: 20220719 Granted publication date: 20161005 Pledgee: Bank of Guilin Co.,Ltd. Fangchenggang branch Pledgor: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Registration number: Y2022450000096 |
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Date of cancellation: 20231222 Granted publication date: 20161005 Pledgee: Bank of Guilin Co.,Ltd. Fangchenggang branch Pledgor: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Registration number: Y2022450000096 |