Cast aluminum gear-box housing,sand casting process,T6 heat treament and CNC machining ... castings and permanent mold casting (gravity or chill casting) Software for drawing: pro/E, auto CAD, UG, CAD, PDF and ... only to present the scope of our manufacturing activities, not for sale; Weight range: 0.010 to 100kg Casting capacity: ... tons/month More information,please contact us . Cast aluminum gear box