Efficient fine crusher, also known as the new crusher crusher, sand making machine, also known as the third generation, the fourth generation of sand machine. Is widely used in the machine. Its performance has reached the international advanced level, is currently the most effective, practical and reliable gravel machine, especially in the production of abrasive, refractory material, cement, quartz sand, steel grit a variety of hard and brittle materials finely and broken is a kind of high efficient, energy-saving gravel sand blasting equipment, than traditional finely machine energy-saving 50% is the world's advanced finely machine equipment.