Recently, the signing ceremony of the circulating Park sewage treatment plant and infrastructure project in Yangyuan Economic Development Zone, Hebei Province was officially held, Hynar Water Group Co.Ltd(300961) and the project contract was signed with the people's Government of Yangyuan County, Zhangjiakou City, Hebei Province. The project cooperation includes the construction of a new sewage treatment plant with a total treatment capacity of 5000m3 / D, five enterprise sewage pretreatment stations, a comprehensive service building and ancillary facilities, as well as supporting infrastructure such as road pipe network and public works in the region. The cooperation period is 28 years (including construction period).