1)Material:Grey iron;Ductile iron;Malleable Iron 2)Process:Sand casting 3)Surface treatment as ... investment casing,resin sand casting,lost foam castingmaterial:grey iron,ductile iron,malleable iron,steel,stainless steel,various brass & aluminium,etcquality control ... drawingshonesty and professional servicessmall order acceptedpacking:wooden crates metal art/iron craft decoration for doors and fences