The series BB fertilizer equipment is a new blending (mixing) equipment developed by our company. The advantages of the machine are large mixing amount, easy formulation and strong pertinence. It overcomes the distributary phenomenon caused by the mixture in the downward flow process because of the proportion of material and the different granularity, and improves the proportioning precision. The product is simple in structure, easy to operate and easy to maintain, greatly reducing equipment investment, thus saving labor force, financial resources and energy consumption.