... ring, sel ring ,O-ring, and some kinds of oil separator and turbocharger and so on. Also supply other types ... : crankshaft, engine frame, engine bed, cylinder liner, o ring for cylinder liner, cylinder head packing, cylinder cover, indicator valve, safety valve, starting ... bearing, connecting rod bearing, thrust bearing, crosshead, crosshead bearing, and all O rings, gaskets, sealing rings ,etc. B&W ...