1.This product has the safe explosion-proof light weight, small volume, high efficiency, simple structure, convenient maintenance and a series of characteristics.

2.To meet the coal mine pressure fluctuations in output steady speed under the condition of use requirement,

3.can be used for tightening of u-shape stents and bolt nut and remove the mixing and other mechanical and electrical equipment

4.resin bolt fit the nut, can improve the use performance of steel support and bolting,ensure the quality of support.

5.This series of pneumatic wrench can also be widely used in automobile, shipbuilding, petrochemical industry, vehicles, engineering and construction industries