Chongqing YF gears (spur gear,gear shaft,helical gear,bevel gear,spiral bevel gear,worm gear,pinion,gear box,planetary gear) are widely used in the well rig for oil field, High-speed wire finishing mill, marine propeller, coal mining machine, cement mill, railway locomotive, large-scale construction machinery, large scale precision reducer and so on. Chongqing YF manufactures quality gear to any specification. Our wide range of machinery and manufacturing experience, coupled with our dedication to quality, make Chongqing YF the right choice for all your gears requirements.