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     Control technology is with the mechanical , electronic and hydraulic integration ; PLC programme can be designed according to the requirement of the customer .
●  Link can incline forward and swing backward ; the leakage is reduced greatly and the reliability of the equipment is improved ; the rotating head can rotate with drilling tools while tripping , so the settlement of the accident is easier .
●  Simple inserted inner housing structure ; back-up tong and IBOP oil cylinder don’t rotate with rotating head .
●  A new single guide beam , the patented technology , has single pin and locking mechanism , so installation and dismantling are simple and rapid

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