air cylinder: 1) material : stainless steel 2) proces : polishing nickel plating chrome plating ect 3) air cylinder air cylinder :we can ... supply a cariety of high qualicty pneumatic variety , air cylinder, special valve , and hardware parts , automatic , ... JIS,DIN,ASTM, BS, SAENet weiht : 0.2-60KgDin mesions : 1-30mmSuface treatment : Zinc , nickel , chrome , sliver pollishing , heattreatment ...