Stainless Steel Parts, Mechanical Parts, Textile Machinery Accessories manufacturer / supplier in China, offering Custom Standard Pm Sintered Powder Metallurgy Auto Steering Gear Rack and Pinion Brake Adjustment Arm Generation 1 to 3 Auto Parts, Custom Pm Powder Metallurgy Sintered Copper Based Parts Components Oil Bearing, Helical Toothed Planetary Planet Gear/Spur Gear/Double Helical Gear Wheel/Cylindrical Gear/Dual Gear and so on.