The user in this case buys from our company 10 VSI1145 new types of sand making machines and puts into production in parallel. Production Capacity is up to standard and it is in a smooth operation, which wins customer's praise. After several years of development research, our company matches the VSI centrifugal impact crusher (sand making machine) of international advanced level with other series products of the company and designs the whole set of sand making production line, which is an industry leader.