... , piston, piston ring, engine valve, engine bearing, oil nozzle, oil seal, oil pump, fuel pump, water pump, turbocharger, alternator, ... F8L413F, F10L413F, F12L413F BF4M1013C, BF6M1013C BF6M1015CP, BF8M1015CP Raw material control Making sure demonstration of new materials and ... and evaluating suppliers to ensure reliable and safe raw materials. Mechanical processing capacity Currently, CNC machining ...