Gear, Rack, Pinion manufacturer / supplier in China, offering Straight and Teeth Rack and Pinion Gears 24*24 29*29 39*39 Module1.5 Module2.5 for Laser Engraving Machine, Standard Customized Steel Gear Rack by CNC Machines, Linear Transmission Spur Rack Gear Linear Guide Rail Straight Gear Rack with Mounting Holes and so on.