... material: steel alloys oil field components The precision steel mold casting part is a bushing as oil field component, made by ... include refining the base alloy and our many processes allow a range in moulding and casting as per buyer's ... , JIS & etc.Material:Aluminium, Brass, Carbon steel, Stainless steel, Alloy metal & etc. Equipment:CNC lathe, processing center, miller, grinder, punching ...