China Boqi Environmental (Holding) Co., Ltd., an investment holding company, provides flue gas treatment services and environmental protection solutions in the People's Republic of China and internationally. The company operates through four segments: Flue Gas Treatment Business; Water Treatment Business; Hazardous and Solid Waste Treatment/Disposal Business; and Dual-Carbon Energy Saving Business. The Flue Gas Treatment Business segment engages in the project design; procurement of equipment and materials; project construction; equipment instalment and testing; operation and maintenance of desulfurization and denitrification, and dust removal facilities; construction of infrastructure or acquisition of existing infrastructure from grantor; operation and maintenance of flue gas treatment project; and sales of by-products and others. The Water Treatment Business segment is involved in the project engineering and design, procurement of equipment and materials, project construction, equipment installation, commissioning services, and the sewage treatment services. The Hazardous and Solid Waste Treatment/Disposal Business segment engages in the detoxification, reduction, and resource treatment and disposal of bulk solid waste and industrial hazardous waste. The Dual-Carbon Energy Saving Business segment offers project engineering and design; procurement of equipment and materials; project construction; and equipment installation and commissioning services. China Boqi Environmental (Holding) Co., Ltd., was incorporated in 2015 and is headquartered in Beijing, the People's Republic of China.