... cast iron 2.Process:sand casting 3.3D design available. 3.mould making by ourselvesDuctile iron casting, mating partsMaterial: the parts ... as stainless steel,steel,iron,aluminum,brass by investment casting,die casting,sand casting or CNC machining. Standard: JIS, DIN, ASTM, ... facilities, such as the production line of investment casting introduced from Taiwan and spectrum analyzer device imported from ...