Metallurgy oil cylinder Aluminium, steel, bronze material ISO9001:2008 approved OEM ... machining Weight:50kg-200kg CompanyDalian Wills Machine Co.,LtdProduct nameMetallurgy oil cylinderMaterialSteel,20#,45#,Aluminium, bronzeComposeHydraulic body, Hydraulic piston, Hydraulic ... applications. A cylinder is a device that converts fluid power into linear mechanical force and motion. A hydraulic cylinder is ...