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| Brand Name : | JTHL |
| Model Number : | SR40 /BG24/AF270 /B250 |
| Certification : | ISO |
| Price : | USD 10000-USD 30000 |
| Payment Terms : | L/C, T/T, Western Union |
| Supply Ability : | 100 sets/ month |
| Delivery Time : | 5-8 work days |
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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| Company Info. |
| Beijing Jietaihongli Technology Co., Ltd. |
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