1.lost foam casting parts of pumps 2.Standard: ASTM, ... 4.MOQ:5000Kg Product Name: lost foam casting parts of pumpsMaterials: grey iron, ductile iron, ... them by precision casting, investment casting and steel sand casting process in Ningbo, China ( Valve Casting / Casting valve / ball Valves ... steel, stainless steel and alloy steel precision casting part. and supply chasing ,heat treatment,machining ...