Qingdao Daneng Environmental Protection Equipment Co., Ltd. (688501.SS) designs, manufactures and sells energy-saving and environmental protection equipment primarily for coal-fired power plants and industrial applications in China. Founded in 2006 and headquartered at No. 3 Daneng Road, Jiaobei Industrial Park, Jiaozhou City, Qingdao, Shandong Province, the company offers slag energy saving and environmental protection treatment systems including dry slag and wet slag treatment systems, pneumatic conveying systems, CFB slag systems, pyrites handling systems and submerged scraper conveyors; flue gas energy saving and environmental protection treatment systems such as low temperature economizers, elimination of colored smoke plumes and shedding of condensation particles; clean energy consumption systems comprising electrode boilers and heat storage tanks; desulfurization wastewater environmental protection treatment systems; energy-saving and environmentally friendly treatment systems for the metallurgical industry including steel slag systems; full load denitrification systems; high thermal conductivity modified PPS pipes; and spare parts like rotary ash coolers, dry drag chain conveyors, bucket elevators and ash silos. The company serves customers in electricity, heat, chemical industry, metallurgy, waste disposal and new energy sectors across the domestic market with approximately 1,156 employees and operations focused on pollutant prevention and control for slag, dust, flue gas, fine particulate matter, NOx, SOx and desulfurization wastewater as well as boiler slag and flue gas waste heat recovery. In recent developments, the company partnered with Singapore's SP Group in 2023-2024 to invest in and build a 90-megawatt aquavoltaic farm in Shandong projected to produce 162 million kilowatt-hours of green electricity annually and connect to a green hydrogen production facility; additionally, Yantai Moon Co., Ltd. signed but later cancelled an agreement to acquire a 19.6% stake, while 2024 financials showed revenue growth of 27.67% to CNY 1.314 billion and net profit up 7.26% to CNY 92.97 million amid expansions in renewable energy subsidies and clean heating systems.