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A large-scale Foundry With Powerful Machining Capabilities(25 years experience,20,000 tons capacity)
1. Company Profile
2. Operating Structure
3. Foundry Overview---Huawei Foundry
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4. Sheet Metal Overview---Qianhao Machinery
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5. Machining Overview---Qianhao Metal
Established in 2009 13,500 SM under roof 215+ employees Advanced high and CNC equipment 50+ vertical and horizontal machining centers Some abroad brand equipment - Doosan 80+ CNC machines (lathe, milling, drilling ) 80+ additional supporting equipment 5 welding robots | Product Offering: Machined profiles( rods, tubes etc.) Machined steel castings Machined stainless steel castings Machined iron castings Machined aluminum castings Machined forgings Machined cutting plates and sheet metal Welded parts Assembly parts |
6. Headquarter Overview---Longxing Machinery
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7. Expansion 2025---Qianhao Industry
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8. Casting
Our four casting processes is able to meet customer's wide range of needs for castings of different grades and qualities. Covering different grades of casting precision (CT6-8) surface roughness (Ra6.4-25um) weight range (0.1-500kgs) |
9. Lost Wax Casting---Manufacturing Process
10. Lost Wax Casting---Key Casting Equipment
11. Lost Wax Casting Process Technology Overview
Casting Process | Lost Wax Casting (Investment Casting) |
Material Range | carbon steel, alloy steel, stainless steel |
Material standard | GB, ASTM, AISI, DIN, BS, JIS, NF, AS, AAR |
Max Linear Size | 1000mm; Max Diameter Size: 600 mm |
Min Thickness | 3mm |
Casting Weight Range | 0.10~80kgs |
Casting Dimension tolerance | CT6-CT8 |
Casting Surface Roughness | Ra6.4-12.5um |
Industry Experience | rail, automobile & truck, construction & mining equipment, forklift, agricultural machinery, shipbuilding & marine, petroleum industry, construction, valve and pumps, electric motors, hardware, power equipment |
12. Lost Foam Casting
13. Shell Moulding
14. Machining
Starting from machining and dedicated to machining for 30 years, Qinhao is matchless regardless of technology, equipment and capacity in the industry. |
15. Key Machining Equipment
16. Key Machining Equipment/Machine List
Horizontal Machining Center(4 Axis): 2 | CNC Milling: 10 |
Vertical Machining Center(4 Axis) : 49 | CNC Drilling: 5 |
Turn Center: 1 | Drilling and Tapping Center: 7 |
CNC Lathe: 35 | Milling Machine: 6 |
Turning Milling Center: 11 | Drilling Machine: 5 |
Total 200+ Various Machining Equipment |
17. Machining Specification
Machining Material Range | arbon steel, alloy steel, stainless steel, cast iron, aluminum alloy, copper alloy |
Main machines | four-axis horizontal machining center, four-axis vertical machining center, CNC milling machine, CNC lathe, turning and milling center, drilling and tapping center, CNC drilling machine, multi-station special machine |
Machine Accuracy positioning accuracy | ±0.004mm, repeatability±0.003mm |
Maximum Cutting Diameter | φ1000mm |
Maximum Machining Length | 1800mm |
Maximum Travel (x,y,z axis) | 1800x850x700mm |
Maximum Spindle Speed | 12000 r/min |
Maximum Workpiece Weight | 2500kgs |
Machining Surface Roughness Range | Ra0.8 ~ 6.3um |
18. Cutting Plate & Sheet Metal, Welding
19. Quality Control---Credentials
20. Test Facilities Capabilities
1. Chemical analysis |
2. Metallography |
3. Tensile strength |
4. Yield Strength |
5. Elongation rate |
6. Shrinkage rate |
7. Impact test |
8.Harness test |
9. Dye Penetrant |
10.Radiography (RT) |
11.Magnetic Particle (MT) |
12.Ultra-Sonic (UT) |
13.Surface roughness test |
14.Microscopic Measurement |
15.3D Scanning |
16.CMM |
21. Key Testing Equipment
22. APQP and Inspection Report:
APQP-Casting
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APQP-Machining
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Sheet Metal Welding Quality Management Documents
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Other Quality Document
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Inspection Report
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23. Competition advantages
Advantages 1:High Engineering and Technical Capability |
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Advantages 2: Advanced Inspection Equipment,Process & Strong Quality Assurance Capacity |
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Advantages3: Great Customer Service |
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Advantages 4:Powerful deep-processing capability is core competitive advantage that makes us different from others in the industry. |
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24. Contact information:
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