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China Shaanxi Welong Machinery Co., Ltd

Company Introduction
China welong Company is a professional manufacturer of variety of forgings and castings and our products are mainly exported to the UK, Netherlands, Germany, Sweden, the USA, Poland and Russia etc, and enjoy much popularity in these countries. Please kindly see the following details about our products:

●Machining
1) machines: lathe, milling machine, grinding machine, planer...etc.
2) the hightest maching precision can reach Ra 1.6
3) the hightest machining tolerance can reach +-0.05mm

● Sand Casting
1) We have resin sand and green sand in the sand casting lines for your different usage.
2) Materials: Gray iron, SG iron, iron alloy nickel bases and chrome bases, carbon steel, aluminum alloy,
copper and stainless steel.
3) Weight: 0.1 kgs - 30 tons.
The precision of dimension: CT8-CT10

● Die Casting
Material: Zinc alloy, Aluminum alloy
Weight: 0.01kgs--20kgs
The precision of dimension: CT4-CT7

● Investment Casting
1) Processes: Colloidal silica Process, Complex Shell Process, Water glass.
2) Materials: any grade of stainless steel, Carbon Steel, Alloy steel, iron alloy nickel bases
and chrome bases, copper,brass and aluminum or according the customer’s request
3) Weight:
Colloidal silica Process: 0.05kgs- 25kgs;
water glass:300kgs.
The precision of dimension: CT5-CT7



We are also specializing in processing according to the incoming drawing and samples.For more information, welcome to visit our website.
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