Beijing Drainage Group Co., Ltd. (BDG) is a leading public service provider in China. After over 40 years of growth , it has developed  strong expertise and capabilities across the entire industrial chain including planning, consulting services, research and development, design, investment and financing, construction, equipment manufacturing, and facility operation and management. In addition to delivering quality services such as  collection, treatment and reclamation of rainwater and wastewater in Beijing as well as providing support for flood control, BDG also provides integrated wastewater control solutions and customized services for clients all over China. It boasts assets totaled CNY 85.4billion (US$ 13 billion) and 7,000 employees by the end of 2018. BDG is a corporate member of the International Water Association (IWA).