The main business of our factory is the manufacture ofhydraulic cylinder. Its products cover oil and gas、railway、oal mine、construction、engineering machinery and other fields. Many of them are used in thefield、marine and polar equipment with bad weather.Especially in the field of oil and gas, we have produced a large number ofhydraulic cylinders for integral lifting of drilling rigs and workover rigs、multi-stage cylinders for mast and substructure lifting、buffer cylinders、sliding cylinders、hydraulic cathead、iron driller、automatic catwalk、drill pipe box、drill floor manipulator、pipe rack and otherhydraulic cylinders. At present, our specifications are: cylinder diameter 30mm~ 500mm; maximum stroke 13m; maximum working pressure 63Mpa.