valve partsinvestment castingsmachiningAs a major manufacturer of investment castings, we adopted the lost-wax process to serve a huge variety of markets that require metal parts in carbon steel, stainless steel and different kinds of alloy steel, including construction hardware, marine hardware, kitchen hardware, pipe fittings, auto parts, railway parts and other machinery parts. We are able to supply precision castings in many conditions involving heat treated, machined, electropolished, mirror polished and so on.