caol mining bit
using high quality steel and tungsten carbide tips via forging,welding and heat treatment to make the Product

 coal mining bit, mining tools

Abundant Technical strength ,Advanced Production Equipments,Sophisticated Testing Processes ,

create the high quality products .Rational design by the given information,rapid response to on-the-spot problem,ensured the after service.

Tiangong adheres to the principles of "Quality first,Reputaion first",and sincerely wish to cooperate with friends 

from domestic and overseas in technical coordination,new product development,making on client's samples and drawings.

We can also supply the following Bits and Holders:U82,U84,U85,U92,U95,S120,S150,U765K,U765HD,C31HD,AM511 etc.