... parts(nuts,bolts,fasteners,etc),our products are widely used in furniture, car, ship, electron and other ... Process drawings-mould making-raw casting-sandblasting-rough machining-finish machining-surface treatment-product inspection packing-delivery5 Surface treatment ... furnance,casting machines,drill machine,laser cutting lathes,CNC machines,grinding machines,punching lathes,mill machines7 Inspecton ...