... ODM accepted 5ISO9001:2008 certificate Powder metallurgy sintered all types of bearings for garden tools Features: 1High density and good ... plate, striking fork, hydraulic valve pushrod seat, oil pump rotor, oil pump gear, oil pump flange, Pistons, Foot Valves, Rod ... carbon steel, copper steel, copper molybdenum steel, alloy.4. Production equipment:a. Hydraulic press with 200T, 160T, 100T, 60T, 50T ...