... OEM service5. Welcome customized designsMaterial:Grey iron, ductile iron, malleable iron, stainless steel, carbon steel, aluminium, brass etc.Material Standards:GB.ASTM. AISI. DIN. ... Material Grey iron,ductile iron,malleable iron,stainless steel, carbon steel,aluminium,brass etc.standardDIN, ASTM, BS, JIS etc.processsand casting,resin bonded casting, investment casting(lost wax casting), die casting ...