The half-wet crusher machine allows the moisture content of npk fertilizer material reach to 25-50%. Its crushing granularity is able to reach the requirements of granulation, also can be adjusted in a certain range according to the client’s requirement. It has played a role in crushing the hard materials such as glass, ceramics, brick and gravel in the organic waste of municipal solid waste, so as to achieve the safety. This is an ideal machine for npk fertilizer production.