... 4.Tecnic:blanking 5.ISO9001 OEM Service Blanking Copper Alloy Nuts Copper Nuts Specifications: Application:Shell equipment accessories ... exporting OEM and custom-made service All kinds of castings can be manufactured according to the drawings, samples ... Grey Iron, Ductile Iron,Carbon Steel, Stainless steel, Alloy steel, Aluminum, Aluminum alloy etc.StandardISO, GB, ASTM, DIN, JISEquipmentmelting furnace ...