Gearbox by sand casting,Suitable for machinery parts,Made of Aluminum alloy,OEM ... manufacturer in auto parts, with CNC, and milling machines for varied machining request, such as gearbox, charge air ... casting types; Near Sea Port and Air Port; Passed ISO9001:2008/Rosh/SGSFrom Casting to Finished surface, Owned casting, ... report, Chemical composition and Mechanical properties Gearbox (ISO9001:2008)