Shanghai Petrochemical Water Quality Center
Shanghai Petrochemical Complex
Ponds water quality improvement
Source Water Quality Improvement
water quality improvement
防氟改水
改善水质
改水降氟
水质改良
水质改善
水质净化
水质调节
water quality improvement countermeasure
Water quality improvement of Yangtze River
water-quality improvement
Refinery of Shanghai Petrochemical Company
Shanghai Municipal water Supply Dispatching and Water Quality Monitoring Center
Shanghai Petrochemical Company Limited
Shanghai Water Authority
Shanghai Water Planning and Design Research Institute
Shanghai water resource area
Shanghai Water Workers Company
Shanghai Petrochemical Co.
Polyester Plant of Shanghai Petrochemical Corporation
Sinopec Shanghai Petrochemical Co.