1. Main use PLS series sand-making equipment adopt staving technology of vertical shaft and centrifugal impact, which is the most advanced in the world now. It is specially designed for expressway, high-speed railway, water power dam, high-rise construction, cross-rover/ocean bridge, concretes agitation station to provide high quality sand and stone materials, the first choice equipment for manual sand granulating and stone material reshaping. 2. Advantages a. Large produce capacity b. Good shape and good quality c. Low consumption of wearing parts