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, shoveling. And widely used in mining, road contruction, quarrying and national defense construction, etc. Wooden crate
