... aluminium-alloy for pneumatic cylinder ,ISO 6431,DNC,MB,DNG,SC,,SU,TN,STM,CK diameter form 32mm ... !8:We have the sufficient experience ,hig technology and best equipment to make the different kind aluminium .zinc ... ,plastic ,die casting parts and make different kind mold according to our customer drawing ... customers request!! pneumatic cylinder kits (air cylinder)MB series