• China Steel Group Tiancheng Environmental Protection Technology (Zhonggang Tiancheng) – Backbone enterprise in China's environmental protection industry, controlled by Zhonggang Equipment Co., Ltd. Engaged in environmental technology R&D, equipment manufacturing, engineering design, facility operation, and general contracting. Specializes in air pollution treatment (dust removal, desulfurization, denitrification, VOCs), industrial solid waste, and organic waste resource utilization. Possesses comprehensive environmental protection technologies for multiple pollutants throughout steel industry processes, including collaborative purification technology for industrial furnace flue gas, efficient bag dust removal with pre-charging, desulfurization/denitrification, petrochemical catalytic cracking flue gas purification, delayed coking closed coking with VOCs treatment, intelligent multi-pollutant collaborative treatment, dry purification for blast furnace gas, converter gas, and ferroalloy gas, and VOCs organic waste gas treatment. Website: http://guogroup.ccnu.edu.cn

  • Veolia – Global leader in environmental solutions offering comprehensive exhaust gas treatment systems for industrial applications including VOC abatement, thermal oxidizers, and scrubbers. Website: https://www.veolia.com

  • SUEZ – International environmental company providing air pollution control equipment and exhaust gas treatment systems for various industries. Website: [Contact via industry channels]

  • Evoqua Water Technologies – Leading manufacturer of air pollution control systems including wet scrubbers, dry scrubbers, and VOC treatment equipment. Website: [Contact via industry channels]

  • DuPont Clean Technologies – Offers advanced exhaust gas treatment technologies including BELCO wet scrubbing and MECS sulfuric acid purification for industrial applications. Website: https://www.dupont.com

  • Mitsubishi Hitachi Power Systems – Global leader in air quality control systems offering exhaust gas treatment equipment for power plants and industrial facilities. Website: [Contact via industry channels]

  • FLSmidth – Danish engineering company providing air pollution control systems and exhaust gas treatment equipment for cement, mining, and industrial applications. Website: https://www.flsmidth.com

  • Babcock & Wilcox – Global leader in environmental equipment offering wet and dry scrubbers, NOx reduction systems, and particulate control for industrial exhaust gas treatment. Website: https://www.babcock.com

  • CECO Environmental – Leading provider of air pollution control and exhaust gas treatment systems for industrial markets worldwide. Website: https://www.cecoenviro.com

  • Dürr AG – German mechanical engineering company offering exhaust gas treatment systems including thermal and catalytic oxidizers for VOC abatement in various industries. Website: https://www.durr.com