On November 25, 2003, an expert team, which includes secretary-general of Guangdong Association of Environmental Protection Industry,Qingxin Hu, minister of technology department of the association, Gang Wang, Engineer of the bureau, Ronggong Huang, and professor of SINOVAST, Jiande Huang, came to visit the company and inspection the application of YX－CEMS environmental protection products. The expert team listened to the report of YX-CEMS development, viewed the display of the equipment, and inspected the production scene.