Drilling rig kelly bar manufacturer

Why do we dare to say that our kelly bar are the best in China? First of all, it is because of our strict control on the material. When it comes to materials, we never cut corners. The first two sections of kelly. [pdf]

Hollow stem auger drill rig

The two most important features of an auger coupling are strength and simplicity. CME gives you both. Our field-proven dual key coupler provides a strong connection you can depend on. The simplicity of. [pdf]