CD/CG250,350 series of heavy loading hydraulic cylinder

　　This series of hydraulic cylinders has 14 kinds of cylinder diameters and 384 types, 28 of them are the mono-piston dbl-act differential oil cylinder formed by two kinds of speed ratios. Moreover, the cylinder-end flange, middle shaft pin and base frame can become twin-piston dbl-act constant speed oil cylinder, checking if there is buffer. Its type and dimension are in accordance with German Steel Works and the ISO3320 standard. Esp. adapting for the working condition with bad environment and heavy loading, it is widely used into the industrial departments of steel and iron, casting, forging and mechanical production etc.