... bucket, mechanical loader, farming machinery and steering oil hydraulic cylinder. Material of oil cylinder: stainless steelApplication of oil cylinder: movable arm, skip bucket, mechanical loader ... : ISO9001Piston Rod: Chrome or nickel plated, ground & polished piston rodSeries of oil cylinder:Bulldozer parts series: SHANTUI, KOMATSU, CAT, XCMC, ZOOMLION, HBXGExcavator ...