Rotary Drilling Interlock Kelly Bar Friction Kelly Bar
Advantages of drill pipe:
1. Adopt the advanced technology design and standard modular design.
2. Equipped with advanced processing facilities, processing technology and auto manufacturing equipment .
3. The kelly bar is with low weight , high strength , good abrasion resistance.
4. The seamless steel tube is with alloy and special heat treatment .
5. Have granted more than 35 patents for the kelly bar design area.
Welcome Contact Us
Due to space limitations, not all product details are displayed. For details, please consult Cathy Lee, WhatsApp+8613311085686