product - hand wheels material - copper process - sand casting process condition - fully machined ISO9001:2008,OEM service hand wheels1) Materials: grey iron, ductile iron, malleable iron,heat resistant iron, carbon steel, stainless steel, aluminum, bronze, brass, zinc alloy etc.2) Standard: JIS, DIN, ASTM, BS, AISI3) Weight:0.1-5000kg4) Processes: sand casting process, investment casting process ...