... PULSE AIR STREAMdrying equipment 1. No pollution with high quality 2. High efficiency 3.powerful drying equipmen :Drying equipmentDESCRIPTIONSQG Drying equipment ... ,less,gluten,feed,plastic resin,coal powder,A.B.C benzoic acid,2.3 acid,PVC,polypropylene,sodiun sulfate,sodium pyrosulfite and so on ...