Reducers for oil drilling rigs are drawworks reducers, gearboxes and rotary table drive reducers and gearboxes developed and manufactured for 1500m, 3000m, 4000m, 5000m, 7000m, 9000m and 12000m oil drilling rigs. The products are advanced in technology, stable in performance and easy to operate. They are exported with drilling rigs to the United States, Russia, Kazakhstan, Egypt, Iran, Hungary, Saudi Arabia and other countries and regions, and are highly praised by customers