Metallurgy oil cylinder Aluminium, steel, bronze material ISO9001:2008 approved ... machining Weight:50kg-200kg CompanyDalian Wills Machine Co.,LtdProduct nameMetallurgy oil cylinderMaterialSteel,20#,45#,Aluminium, bronzeComposeHydraulic body, Hydraulic piston, ... dumpsters to compact trash.4.In the trasportation and automotive, hydraulic brakes make use of hydraulic cylinders.5.In various industries, ...