The Suctioning System models EFZ-2 and EFZ-2R have been designed for purpose of controlling air pollution in industrial processes and also have purpose of conveying loose material together with air.

• EFZ-2和EFZ-2R型抽气系统为控制工业加工过程中的空气污染而设计，也是为了随空气输送松散物料的目的。