... pinion,sprocket, helical gears,valve, pistion,rod guide,rotors,sintered ... of sintered metal parts below:1.) Pistons, Foot Valves, Rod Guide for Shock Absorbers or Dampings of Automobiles; 2.) ... parts for Chain Saw, Cutter Seat for Mower;4.) Rotors for Oil Pump of Automobiles or Motorcycles;5.) Ratchet ... of our company for more details.Wish we can build good and long term business relationship. Rotors for ...