... accepted 5ISO9001:2008 certificate Powder metallurgy sintered oil bearing manufacturer with price list Features: 1High density and good ... , striking fork, hydraulic valve pushrod seat, oil pump rotor, oil pump gear, oil pump flange, Pistons, Foot Valves, Rod ... within tolerance 0.02mm, 100% good quality with competitive price, good abrasion resistance, high density & hardness, high efficiency ...