1. OEM cast iron motor shell 2.machined by CNC , machining center 3. ... The annual productions are over 2000 tons. ProductIntroduction1. Material:Ductile cast iron: QT400-15, QT450-10, QT500-7, QT550-6, ... QT600-3, QT700-3Grey cast iron: HT150, HT200, HT250, HT300;Alloy cast iron: ASTM C-1362, ASTM C-1500;2 ... or finished products to meet customers' requirements. OEM cast iron motor shell