On April 18, the 25th IE Expo China, Asia's flagship environmental protection exhibition, co-sponsored by the Chinese Society for Environmental Sciences, the China Chamber of Environmental Services, Messe München Group and China Trade Munich Messe (Shanghai) Co., Ltd., opened at the Shanghai New International Expo Center. At the meeting, Tao Chuan, general manager of Valve Anger Water Treatment System (Taicang) Co., Ltd., accepted an exclusive interview with China Environment News.China Environm