1.lost foam casting parts of pumps 2.Standard: ASTM, AISI, BS, DIN, JIS 3. ... Name: lost foam casting parts of pumpsMaterials: grey iron, ductile iron, malleable iron,heat resistant iron, carbon steel, stainless steel, aluminum, bronze, brass ... 2) We make them by precision casting, investment casting and steel sand casting process in Ningbo, China ( Valve Casting / Casting valve / ball Valves) 3. Size ...