Chengdu Mechanical Works of Sichuan Petroleum Administration is located in the urban district of Chengdu City, which is know as the "Land of Abandance" and one of the central cities of western great development of China.It is the sole tricone rock bit plant appointed by the China National Petroleum Corporation, and as an over 40 years history of researching,designing and manufacturing tricone rock bits.

Through several large-scale of tcchnical reforms,this plant has had the ability to produce the various series of Chuanshi tricone rock bitsfrom 4 1/4 to 26 inches, which are suitable to used in different formations form extremely soft to extremely hard.

The Chuanshi tricone rock bits have passed the API and ISO9001 Quality Certifications, they are widely used in the various domestic oilfields and mines, and also used by the geological and hydrology departments, and sold to the countries and areas in the North America, Middle East, Middle Asia, North Africa, Southest Asia.

Our plant strive to innovate,and adopt the advanced technology to produce the Chuanshi brand tricone rock bits, and wholeheartedly serve the populous customers in oilfields with high-quality products, excellent service and reasonable price.