Yt24&Yt28 Mobile Pneumatic Rock Drill for Stone Quarry Mobile line drilling machine is ideal for quarrying, rock explosion, especially making large diameter holes. (90mm/3.5 inch). It is mainly used for making holes for the passage of diamond wire. And also good for normal line hole drilling, such as holes for expansive mortar. Practicality in use, derived from its simple construction, and the lightness of the structure are its main characteristics. Two control ways to choose, one is feeding by pneumatic motor, cross moving by handwheel.

Open-Cast Mine Use Sino Crack Expansive Mortar Spitstar is a high efficiency expansive mortar to demolish and cut rocks and concretes. It swells when poured into a hole and develops a pressure higher than 80MP(800kg/cm2) on the hole walls after mixed with clean and cold water, thereby breaking them open. Splitstar is environmentally friendly because it releases no toxic fumes or harmful substances of any kind. So it is called a Highly Soundless Cracking Agent(HSCA). It is non-explosive; Therefore supervision of trained personnel is not essential.