VSI high-efficient vertical impact sand maker is the newest product that German authoritative experts designed according to Chinese working condition, and is also a high-efficient crushing equipment with world advanced level. It’s a perfect combination of unique rotor structure, wear-resistant materials, crushing speed optimization and hydraulic design, a perfect example of professional fine crushing and machinery manufacturing and a complete representation of new technology and new process. VSI impact sand maker is the first choice for manufacturing high-quality, fine-granularity products. This machine is specially use in high-railway, high way. Municipal, construction of hydroelectric dams, concrete batching plant to provide high quality sand and gravel aggregate.