subsidiary equipment
1.Portable machine: Hydraulic power tong, with compact structure, is composed of lead tong and back-up tong.
2.Simple operation: Reversing valves can make lead tong and back-up tong clamp and loosen synchronously.
3.Two gears setting: High-gear high speed unscrewing and low-gear large torque unscrewing can be achieved.
4.Reliable performance: The performance is tested on many 2000m deep geological drilling sites.
5.Ease of connection: Hydraulic power tongs can be connected with all geological machines and they don't affect each other.
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