· Design Prize · Science Prize Ⅰ. Prize of Sparkle Science and Technology awarded by national authority, The Second Class Prize of Patriotic Health Campaign Committee, the Ministry of Public Health. NO. Project Year 1 Sodium hypochlorite generator of village drinking water 1988 2 Village drinking water defluoridation process and equipment 1988 Ⅱ. The third class prize of Scientific and Technological Progress awarded by national authority 1 Waste water treatment process for phosphorus and nitrogen removal 1990 Ⅲ. The first class prize of Scientific and Technological Progress awarded by the Ministry of Construction 1 City infrastructure research 1990 2 Active sludge absorption in high speed/biologic oxidation technology 1997 Ⅳ. The second class prize of Scientific and Technological Progress awarded by the Ministry of Construction 1 Large and medium scale city gasfication methods research 1986 2 City coal gas design norm 1987 3 Medium scale experiment of biological phosphorus and nitrogen removal of municipal Sewage （Wuxi） 1988 4 Optimization Study of the operation mode of city gas transmission and distribution system 1990 5 Integrated technology of municipal sewage with site view water 1997 6 Outside water supply design norm 1987 Ⅴ. The third class Prize of Scientific and Technological Progress awarded by the Ministry of Construction 1 Reasonable definition of design pressure of LPG storage holders 1984 2 Research on test equipment of gas heater lack-oxygen protection 1990 3 LPG cylinder valve 1987 4 DO-100 continuous measuring dissolved oxygen analyzer 1990 5 Micro-porous aeration standard 1993 6 Micro-porous aerator for sewage treatment 1994 7 Gas mixture safety study 1994 8 Research and development on key equipment of water industry 1997 9 Study on gas desulfurization technology 1997 10 Water supply and wastewater treatment project investment estimation and economic evaluation norm 1998 11 Municipal underground water project and management norm 1998 12 Study on improvement of solid waste 堆肥 quality and farmland application effect 1999 Ⅵ. Prize of Scientific and Technological Achievement Authorized by the Ministry of Construction 1 Research on test equipment of anti-wind of hot water appliances 1990 2 Integrated technology of municipal sewage reuse 1997 Ⅶ. The second class Prize of Science and Technology Progress awarded by the municipal of Tianjin 1 Research on flexible mechanical interface heat reuse 1982 2 TJ-1Bitter and satty water desaltor 1982 Ⅷ. The third class prize of Science and Technology Progress awarded by the municipal of Tianjin 1 Research on flexible mechanical interface cast tube 1983 2 Sludge gas power generation and the use of residue heat 1987 3 Active 氯化铝 movable bed 除氟器 1990 4 YJ-1chain conveyor and cylinder filling production line   5 Automatic control system of municipal sewage treatment plant 2001 6 New disc type surface aerator 2001 Ⅸ. The third class prize of science and Technology Progress awarded by Zhejiang  Province 1 CHN-1ultrasonic sludge concentration meter   2 CHJ-1ultrasonic sludge interface meter   Ⅹ. The third class Prize of Science and Technology Progress awarded by Hebei Province   Improvement experiment of Mech plate ammonia ventilation tower   Ⅺ. The first class Prize of Science and Technology Progress awarded by Inner Mongolia   Research on flexible mechanical interface cast tube 1988 Ⅻ. Excellent Pilot project prize of “the eighth-five” science and technology key tasks authorized by the Ministry of Construction   Hai-Bohe sewage treatment plant, Qingdao city 1996