High degree of automation, easy installation and operation . 1. The enzyme spraying equipment is used for the continuous spraying of the microelement like liquid enzyme. Flow scale firstly measures the amount and the measuring pump adjusts the amount automatically according to the set adding ratio. The liquid enzyme is then coated on the surface of the pellet. This coater has the function of automatic stop, error alarm, etc. 2. Several nutrition elements can be sprayed at the same time after atomization. Both water atomization and air atomization are available if the adding amount is less than 0.2L/t.