1,car potable device shell, 2,Vehicle-bone equipment housing, 3,ISO9001,2008 ... shell, control unit housing, circuit controller shell, car potable device shell plate, Vehicle-bone equipment housing,vehicle-mounted Car-Carrying ... appliance case housing, extruded aluminium case,extrusion aluminium shell, Communication Device shell, equipments aluminum housing. Process flow;1, extrusion mould designing2 ...