By absorbing techonlogies from abroad, this product starts new times of sand making. This series of products performs outstandingly with great crushing ratio, good shape of product grain, little power consumption, spare metal abrasion and little pollution, which ensures its status as an outstanding technical progress in sand making technology in China. With its 60-90% rate of discharging grain size ¡Ü5 mm, it is the most appropriate impact crusher in artificial sand making.