The dryer pioneered the development and promotion by the Company, can make the waste residue produced by DMF recovery device completely dry, and form slag formation. To improve the DMF recovery rate, reduce the pollution of the environment, reducing the labor intensity of workers, too. The dryer has been in a number of enterprises to obtain good results.DMA is odor pollutants generated accompanying the DMF recovery device. The Company carries out the DMA tail gas control work earliest. Developed DMA wastewater purification process, can get about 40% industrial DMA solvent. It makes the DMA become the treasure; can solve the problem of environmental pollution at the same time for enterprises to increase economic benefit.