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 ... hydraulic cylinder is also a round body, referred as cylinder barrel. The cylinder body houses the internal parts of a ...