Advantages:

Needless to replace the internals of the engine head, just handle the handle to operate it.

Easy to operate. More time-saving and effortless. Drilling faster and more efficient.

Have reached the Tip-top level of the same field now, and allow to be replaced with the same kind of the domestic products.

Applications:

Available for drilling, splitting breaking, ramming, shovelling. And widely used in mining, road-contruction, quarrying and national defense construction, etc.