Composite energy-saving fine crusher is also known as impact sand maker, it is widely applicant to fine break a variety of rocks, abrasive, refractory materials, cement clinker, quartz, iron ore, and other hard or brittle material , such as concrete aggregate, . It is especially suited for making construction sand . HX-type vertical impact crusher It is composed of feeding, sub-feeders, eddy crushing chamber, impeller experience, spindle assembly, electrical transmission base and motor seven parts.