1.pneumatic cylinder/pneumatic piston 2.OD:60-320mm Thick 8-35mm 3.High ... ,metallurgical equipment etc.Meantime, we also supply related products in blank, such as cylinder liner,piston ring,ADI bushing,sealing ring,suction ... of our products will be 5 times than sand casting,and no pore,sonim... Adapt to strict requirments in precise manufacturing. pneumatic cylinder