... Hitachi, caterpillar, Daewoo, komatsu, kobelco, etc. by forging. We produce series of Oil Cylinder for Hitachi, caterpillar, ... , Mitsubishi, Samsung Volvo, sumitomo, kato, etc. by forging. Please inquiry us by model, description with quantity.specification ... 3 metres material of piston rod:40Crdiameter of the piston rod:φ5-φ140Technical Parameterscylinderbore(mm)OD(mm)piston rod diameter(mm)rated ...