Founded in 2015, covering 42 mu, co-invested by the Group, Dongying Hekou Development Zone and local enterprises. It mainly operates the sewage treatment project in Dongying Hekou Economic Development Zone, with a daily treatment capacity of nearly 6,000 tons. The effluent quality meets the Grade A standard of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB18918-2002).

Founded in 2015, covering 48 mu, co-invested by the Group and Penglai Beigou Urban Comprehensive Development Co., Ltd. It has a daily sewage treatment capacity of 20,000 tons, with effluent quality meeting the Grade A standard of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB18918-2002). It meets the sewage treatment needs of local enterprises and greatly improves the regional water environment quality and ecological balance.