... prompt delivery 5) non-standerd parts Item Noscrews and boltsMaterialsiron,aluminum,steel,copper,plastic,carbon steel,nylon, ... ,polishing,PVD/CVD coating,galvanized,electroplating,spraying,painting and so onBusiness scopeCNC center machining,drilling,turning,grinding ... ,tapping,mould design and processing,casting,sheet mental working ett.processing equipmentsCNC ...