HAOQI as a professional Roller cone manufacturer and supplier in China, all the Roller cone have passed the international industry certification standards, and you can be completely assured of quality. If you do not find your own Intent Roller cone in our product list, you can also contact us, we can provide customized services.
Specializing in the production and sales of drilling tools such as tricone bit,PDC bits,Hole Opener,roller cone bits,hammer and mud motor,drill pipes,drill collars,etc.
