... 4OEM/ODM accepted 5ISO9001:2008 certificate Powder metallurgy sintered oil bearing manufacturer with price list Features: 1High density and ... plate, striking fork, hydraulic valve pushrod seat, oil pump rotor, oil pump gear, oil pump flange, Pistons, Foot Valves, Rod Guide ... dynamic load 4With low and smoothly coefficient of friction and without stick-slip effects 5Suitable for dirt, impact and edge ...