In October 21, 2011, Deputy Director-General Guan Cunxian from Shanxi Environmental Protection Bureau came to visit our company and to conduct our work. The manager of industrial water division and chief engineer make arrangement to welcome Deputy Director-General Guan in person. The manager of industrial water division introduced development history and business case of our company in detail, and accompanied Mr. Guan to visit the laboratory and testing center. Mr. Guan gave a high appraisal of the treatment technologies of unmanageable industrial wastewater with electromagnetic strong oxidization and irradiation and the contrast effect of the treated wastewater and sewage liquid, and hopes to promote the treatment technologies. Finally, Mr. Guan sheared a lot of valuable advices and suggestions for us.