Cast aluminum gear-box housing,sand casting process,T6 heat ... and permanent mold casting (gravity or chill casting) Software for drawing: pro/E, auto CAD, UG, CAD, ... flow analysis Further machining work: turning and cutting, milling, grinding, drilling and reaming,threading. Surface finish process ... present the scope of our manufacturing activities, not for sale; Weight range: 0.010 to 100kg Casting ...