Powder Metallurgy Products, Metallurgy Gear, Oil Bearing manufacturer / supplier in China, offering Powder Metallurgy Iron Seat Activity Gear Parts 10*13.5*16 for Automatic Adjustable Seat, Powder Metallurgy Sintered Iron Blackened Lock Actuator 7.8*14.1*14.8, Sintered Bronze Mounting Ring Powder Metallurgy Pressing Automotive Spare Parts and so on.