Dongying Tousin was founded in 2003 and is a professional steel casting manufacturer with its own foundry, CNC machining department and handcraft polishing factory. Tousin adopted 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. Including industrial machinery parts, architecture castings, pump valve bodies & accessories, impeller, hardware tools, door & window fittings, marine hardware, pipe fittings, auto parts, textile machinery parts, sport facility parts, pneumatic tools parts, fluid equipment parts, food machinery parts, air compressor parts, electric machine & hardware fittings, mining & earthmoving machinery accessories, etc. We are able to supply precision castings in many conditions involving heat treatment, machining, handcraft polishing, electro polished and so on.