China Welong was founded in 2001, which is a professional international integrated supply chain service provider. We are concentrating on the industrial customized metal products, aiming at empowering the world with the finest supply chain of China. Since the establishment, we are offering Supplier Development & Management, Purchasing Supervising, Quality Control services in China for many leading enterprises in the fields of International Industrial Manufacture, Oil Drilling, Aerospace & High-end Medical Treatment.
Welong service certified with ISO:9001-2015.
Welong make production by incoming drawings and samples.
Range of products we offer:
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Sand Casting |
Investment Casting |
Centrifugal Casting |
Die Casting |
Close Die Forging |
Open Die Forging |
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Gray Iron,SG Iron, Carbon Steel,Stainless steel Alloy Steel, Aluminum Copper
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Carbon steel, Stainless steel, Alloy steel,Superalloy Steel Nickel-based cast superalloy, Monel metal, Cobalt-based cast Superalloy, or as Customer’s request.
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Carbon steel, Stainless steel, Alloy steel,Superalloy steel, or as Customer’s request.
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Aluminum alloy,Zinc alloy, Mgnesium alloy,Copper alloy, Aluminum copper alloy, Aluminum magnesium alloy, Aluminum Zinc Alloy.
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Carbon steel, Stainless steel, Alloy steel, Aluminum alloy, Copper alloy, Titanium,Zirconium etc.
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Carbon steel, Stainless steel, Alloy steel, Aluminum alloy, Copper alloy, Titanium,Zirconium etc.
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The scope of weight: 0.10kgs-50Tons Output per month: 500 Tons The precision of dimension: Mould by hand CT11-CT13 Mould by machine CT8-CT10
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The scope of weight: 0.02kgs-150kgs The precision of dimension: CT5-CT9 Output per month: 40 Tons Surface finish: Shot blasting, Galvanizing, Polishing, Painting, Passivation, Picking, Powder Coating
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Max casting weight: 3000kgs Max casting length: 4000mm Max diameter: 2000mm Min diameter: 70mm Min wall thickness: 8mm The precision of dimension: +/-1.5mm Surface finish: Shot blasting, Painting, Galvanizing, Powder coating
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The scope of the weight: 0.2-20kgs Output per year: 360 Tons Surface Finish: Shot Blasting, Polishing,Galvanizing, Powder coating |
The scope of weight: 0.2 - 30 kgs Output per year: 3000 Tons Surface finish: Rust proofing, Painting,Galvanizing, Powder coating |
The scope of weight: ≤50Ton Output per year: 50000Ton Surface finish: Rust proofing, Painting, Galvanizing, Powder coating |
Our engineering department can also design the drawings for you . We use Auto CAD, Pro-Engineering, Solidworks, We can accept the files *.igs, *.aics, *.dwg.
In the past 20 years， our products shipped to UK， Germany，France， Italy， Poland， USA，Canada Holland， Sweden， Austrial，New zealand， Singapore，India more than 100 customers in Auto industrial.
We are always working diligently to be the leader of international supply chain, boosting the China intelligent- manufacturing leading the world.
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