We are Dongying Harvey Stainless Products Co.,Ltd. A
Manufacturer of precision castings.We produces precision investment castings by means of the silicasol lost-wax process and is especially good at the manufacture of complicated precision castings.we supply best precision castings in many conditions including heat treated, machined, electropolished, and mirror polished.ISO 9001:2000 certified.And we also are capable of machining, polishing, welding, electropolishing.