Dongying Tousin is a professional steel casting manufacturer has his own foundry, CNC machining department and handcraft polishing factory, came into existence from the year of 2003.
As a major manufacturer of investment castings, we adopt the lost-wax process to serve a huge variety of markets that require metal parts in stainless steel, carbon steel and different kinds of alloy steel.
Excellent employees and advanced management guarantee our superb products at most competitive prices. We current...
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