... quality controlled 4, Secondary process available 5, OEM precision casting stainless steel About usYaopeng was founded in 2005 as a ... , including CNC machining, stamping meatal parts, and Casting. We are committed to provide high quality products ... 1M(the maximum tonnage:300T) Specification 1) Material: Steel, Brass, Copper, Stainless steel, , Aluminium2) Surface treatment:Zinc plating, Anodization, ...