Opening type, convenient and prompt to enter and slide off the working position, with an integral tong head of great strength and rigidity;
Four-gear rotation is adopted for large speed regulation range. And the rated torque is large;
Brake belt assembly, easy to operate and convenient to maintain and replace;
Open gear supporting structure, improving the strength and rigidity;
High strength steel plate used on the shell，increasing the strength. The jaws are cast with precise technology, artistic and strong;
With hydraulic torque indicator and also installation interface, convenient to realize the computer management.