Dongying TOUSIN Precision Metal, Ltd

Dongying TOUSIN Precision Metal, Ltd is one of the famous manufacturers of precision casting in stainless steel, carbon steel, alloy steel, and so on. We have the predominance in stainless steel hardware hand polishing, electro-polishing, machining. Our products including constrution hardware, marine hardware, machining parts, impeller, ball valve, screw fittings and so on

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