Interlocking Rotary Drilling Rig Kelly Bar SR40 /BG24/AF270 /B250
| OEM/ODM | Both |
| Material | Q345B /Q460D / 35CrMo With Special Heat Treatment |
| Manufacture Process | Robot Welding ,Gas Shielded welding , Manual DC Welding |
| Tailored | Round /Square |
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Due to space limitations, not all product details are displayed. For details, please consult Cathy Lee, WhatsApp+8613311085686
Cathy Lee
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After clicking on the link on the phone you can use Whatsapp to contact me directly.We can discuss more details in there .