Content :

Summary
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-construction, quarrying and national defense construction,etc.