... company and focus more on machining, assembly and providing high quality mechanical parts for our over sea customers. Now ... % of the shareholding from the foundry, and in the meanwhile work together with many good foundries producing steel castings, stainless steel ... :1, Casting Material: Grey iron, Ductile iron, Alloy steel , Carbon Steel, Aluminum, Brass,etc2, Standard: ISO 9001:20083, Full set ...