Gear, Plastic Gear, Cog-Wheel manufacturer / supplier in China, offering Cylindrical Custom Pinion Miter Duplicate Transmission Planetary Precision Worm Wheel Cog Wheel, Machine Transmission Involute Pinion Drive Bronze Toothed Cylindrical Straight Spur Gear Wheel, Custom Machine Drive Machining Cylindrical Toothed Straight Shaft Ring Spur Gear Cog-Wheel and so on.