... ,ductile iron,grey iron 2)product weight:from0.5~300kg gear box part1)material:aluminum,ductile iron,grey iron2)product weight:from0 ... , CAD/CAM/CAE4) Precision machining: CNC ,NC lathes, grinding machines and test facility5) Surface finish: red painting,shot blasting,sand blasting6 ... are currently exporting more than 90% of ourproducts to Germany and USA.