... : design, fabricaion Precisionmachining Finish: oxidiation,chromate We provide Die casting partsMaterial :A360,A360.2,A413.1, A380,B390, EN44100, ... plating, coating, vibrationPacking : export cartonISO9001 certificationWe provide OEM die casting, including alloy , zinc, brass die castingOur sevice:tooling designtooling fabricationdie ... in quality control24 H online sevice Aluminum Die casting piston