Our company "International advanced stone tools Co.Ltd" , is a professional manufacturer of Expansive Mortar ( soundless non-explosive cracking agent) for quarrying , rock and concrete demolition. Comparing with traditional way(explosive, Chain saw, etc) of mining or demolition , our advantages are safer, higher efficiency, lower cost and soundless. It is widly used in the quarry or civil engineering demolition projects in India, Saudi Arabia, Egypt, Africa, USA, Brazil, etc. You can learn more in www iastonetools com. My dear friend, if you are interested in it for quarrying or demolition, please feel free to let us know, we will support you with our best quality, best price and best service.