Casting: 1)Material: Stainless Steel, Carbon Steel, Alloy Steel etc. 2)Process: Silicasol lost wax Casting or Water Glass lost wax Casting 3)Surface treatment: Heat treated, machined, electropolished and mirror polished We are manufactural of steel investment castings, And adopt silicasol lost wax casting or water glass lost wax casting to cast steel products. Products weight from 0.1 kg to 80kg. We are OEM (Foundry, CNC machining department, Polish factory are available in Tousin company), So we could develop new items according to your drawings or sample.