... of YINGCHUN Cleaning system 1. TCQY series Pre-cleaner TCQY series Pre-cleaner is made up of transmission device, column, ... C dust-laden air. And it is applied to food, grain, medicine, health industries, and also is used in metallurgical, ... wind network, inverted cone, distribution umbrella, dust collection hopper, grain collection hopper, air pipe, inspection door and framework. ISO9000 ...