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. 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.