SOB series hydro-cylinder is round hydraulic cylinder with big bore for large Machinery and appliance, give the derive cylinder of double rod type and stroke adjustable type, varies of installments are optional to meet different requirement, also can be customized.  Widely used in hydro-power engineering projects, metallurgical industry, construction industry, aviation and cosmonautical industry, cranes, textile & chemical industry, plastic injection mounding machines, elevators, ship-lifts, offshore well-drilling platforms, etc.