Gear, Rack, Pinion manufacturer / supplier in China, offering Premium Customizable Helical Tooth Gear Rack for CNC Machines, High-Precision Helical Gear Rack and Pinion for CNC Lathes, Chtm02020-DIN8 2m*24*24*2000mm Helical Milling Quenching and Tempering Racks and so on.