Angang Steel engages in the production, processing, and sale of steel products in the People’s Republic of China. Its principal products include hot rolled sheets, cold rolled sheets, galvanized steel sheets, color coating plates, medium and thick plates, heavy sections, heavy rails, wire rods, seamless steel pipes, and cold rolled silicon steel products. Angang Steel also engages in ferrous metal smelting and steel pressing activities. Moreover, it sells building materials, etc.; provides wholesale and retail purchasing services; develops metallurgy and related materials and equipment; and purchases and sells metal and other materials, as well as imports, exports, wholesales, and retails technology products. Angang Steel’s products are used in various industries, such as machinery, metallurgy, petroleum, chemical, coal, power, railway, shipbuilding, automobile, construction, home electrical appliances, and aviation. It also exports its products. Angang New Steel that began operation in 1997 became Angang Steel in June 2006. It has its headquarters in Anshan in the People’s Republic of China as a subsidiary of Anshan Iron and Steel Group.

Hangzhou Permanent Magnet Group Co. Ltd. is a private company headquartered in China. The firm engages in the research and development, production and sales of magnetic materials and devices.

Shanghai Hongji Environmental Protection Technology Co,. Ltd. is a Chinese company located in Shanghai. The firm provides waste water treatment services.

Jiangsu Kaimi Membrane Technology Co., Ltd. engages in the manufacture of membrane products and equipment. Its products include organic tubular membrane, inorganic ceramic membrane, roll type membrane, and puron hollow fiber membrane. Its products are used for food and drinks industry, biomedicine, chemical, wastewater facility, and lignin extraction. The company was founded in March 2011 and is headquartered in Nanjing, China.

Everbright Environmental Technology Research Institute (Nanjing) Co., Ltd., established on 2016-09-22, Business scope includes environmental protection and new energy technology research and development,technical consulting,technology transfer,Technical Services;environmental protection material,Environmentally friendly recycled products,Research and development of environmental protection equipment,design,integrated;Engineering design and consulting services related to environmental protection and new energy projects.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Beijing Oriental Kaiyuan Environmental Protection Technology Co., Ltd., established on 2014-05-20, Business scope includes environmental protection technology development,technical consulting,Technical Services,technology transfer;urban landscaping;Sales of environmental protection equipment;Engineering survey and design;Professional contractors.(Enterprises independently choose operating projects according to law,Carry out business activities;Items subject to approval by law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the city's industrial policies.)

Wuhan Sentai Environmental Protection Corp., Ltd. engages in the contracting and third-party operation of sewage treatment projects of industrial parks, provision of technical services, as well as research and manufacturing of related equipment. It treats high-concentration and refractory wastewater and offers comprehensive governance of industrial park environment. The company was founded on April 27, 2005 and is headquartered in Wuhan, China.

Qiannan High-tech Zone Green Chemical Technology Research Institute Co., Ltd., established on 2020-10-10, Business scope includes legal,regulations,Those prohibited by the State Council's decision shall not operate;law,regulations,The State Council has decided to allow(approval)of,After approval by the examination and approval authority(approval)file management;law,regulations,The State Council has decided that a license is not required(approval)of,Market entities independently choose to operate.(engaged in chemical industry,Environmental friendly,new material,Technology development in the field of agriculture,technology transfer,technical consulting,Technical Services,Technology Promotion;Inspection and testing service;Technology Consulting Services;Environmental Protection Monitoring;Engineering and Technology Research Experimental Development;Green facilities,Research and development of mechanical equipment,Sales;Environmental protection agent,Bacteria,Chemical product technology development,Sales;engineering design,construction;biotechnology development;Research and development of biological and pharmaceutical products,Sales;R&D of food and health products,Sales;Agricultural Planting Technology Development,to promote,transfer,Serve;Smart Agriculture Management Service.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments))

Henan Tongsheng Environmental Engineering Co., Ltd. engages in the design of environmental engineering. Its business scope include air pollution control engineering; solid waste disposal project; water pollution control project; general contracting of municipal public works; environmental engineering contractor; industrial wastewater treatment; and sale of water treatment products, valves, pumps, and building materials. The company was founded in 1998 and is headquartered in luohe, China.

Shougang Corporation is one of China's largest steel companies and is currently based in Beijing, China. It is a state-owned enterprise with the Government of Beijing owning over 75% of the company. The company mainly operates in China and Peru in the steel, mining, machinery, and electronic industries.

Jiangsu Jiangshun Precision Electromechanical Equipment Co., Ltd., established on 2007-09-12, The business scope includes copper and aluminum profile extrusion machines,Manufacture of extruder accessories and supporting auxiliary equipment,processing,Sales;Sales of Electronics;Self-operated and agent import and export business of various commodities and technologies,Except for commodities and technologies that are restricted by the state to be operated by enterprises or prohibited from import and export.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Beijing Fujite Boiler Co., Ltd. is a "national high-tech enterprise" integrating R&D, production, sales, after-sales service and installation. In 1982, Mr. Jin Delong, one of the founders of the company, began to focus on the research and development of vacuum hot water boilers. In 1995, the company formally introduced the vacuum hot water boiler into China. In 2002, the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China (AQSIQ) issued the "Document No. 288", stipulating that "vacuum hot water boilers are exempt from inspection". Fujitec provided an important basis. Fujitec's new concept vacuum hot water boiler and tubular steam boiler have created many industry precedents: the boiler is installed on the roof; Development of double body vacuum hot water boiler; Modular steam boilers are used in Baijiu industry, beer industry, and even installed on the Qinghai Tibet Plateau. Fujitec energy-saving and environment-friendly new boilers serve users in all walks of life. Fujitec ultra-low nitrogen combustion system is specially developed for Fujitec boiler body structure by professional R&D team to integrate and optimize a number of cutting-edge technologies. From 2018, the company joined hands with Tsinghua University to conduct more in-depth research and development on ultra-low nitrogen combustion technology, and further realize significant energy saving of boilers while achieving stable ultra-low nitrogen emissions. The two production bases of the company are located in Beiwu Industrial Park, Shunyi District, Beijing, and Baodi Industrial Zone, Tianjin, with an annual output of 5000 sets. The company has a number of proprietary technologies and patented technologies, adopts advanced production processes and self-developed production equipment and testing platforms, adheres to standardized management, and has successively passed the certification of "ISO9001, ISO14001, OHSAS18001", etc. Fujitec will continue to research and develop advanced technologies for energy-saving and environment-friendly boilers to further promote the rapid development of China's boiler industry; Always stand at the forefront of the market and provide customers with better system energy solutions.

Henan Heng'an Environmental Protection Technology Co., Ltd., established on 2003-11-14, Business scope includes industrial waste water and waste gas treatment,Domestic sewage treatment and solid waste treatment;Technology Development of Sewage Purification,technical consulting,technology transfer;Research and sales of environmental protection equipment and water treatment chemicals;Construction of environmental protection projects;Anti-corrosion insulation project;Production and sales of chemical cleaning agents;coating,Electric equipment,Automation control equipment,Instrumentation,Building materials sales;Sales of air-conditioning equipment and accessories,Maintenance and technical consultation;Sales of building intelligent equipment,Maintenance and technical consultation;Cleaning Engineering Technical Services;Undertake live cleaning project;River Basin Water Treatment and Ecological Restoration;Environmental damage assessment;noise control;Landscaping project.

Shanghai Chengtou Green Sewage Treatment Co., Ltd. is a Chinese private company that provides waste water treatment services.

Anhui Ma Steel Chemical Energy Technology Co., Ltd. engages in the research and development, production and sale of chemical products. The company was founded on March 30, 2018 and is headquartered in Ma'anshan, China.

Jinke Environmental Co., Ltd. (688466.SH) was established in 2004. It is a leading enterprise in the field of membrane technology water advanced treatment and wastewater recycling. It relies on self-developed membrane universal platform equipment technology, membrane system application technology, and membrane system operation. The three core technologies of technology provide users with water treatment technology solutions, operational services, and resource-based products. Beijing Enterprises Water and CRRC are strategic shareholders of Jinke Environment.

Korea Gas Technology Corp. operates as a natural gas facilities technology company. It offers natural gas facility maintenance which includes production and supply facility maintenance, pipeline network inspection and excavation management, energy and construction, research and development and engineering services. The company was founded on May 27, 1993 and is headquartered in Daejeon, South Korea.

Yihao Environmental Technology Co., Ltd., established on 2015-10-27, Business scope includes general items:Environmental governance;Pollution Control Facilities Operation Services;Industrial Wastewater Treatment Level 3;Domestic sewage treatment level two;Construction general contracting;General Contracting of Municipal Public Works Construction;City and road lighting engineering professional contracting;Steel structure engineering professional contracting;Environmental engineering professional contracting;Urban landscaping construction;Garden landscape planning and design,Garden maintenance and management(If the above projects involve permits, they must obtain relevant administrative permits before they can operate);to plant,Sales,Maintenance of green plants(Does not contain forest tree seed production,operate);Construction machinery rental;wholesale,retail:building materials(Does not contain dangerous goods),decorative material(Does not contain dangerous goods),Insulation and anticorrosion materials,Wujinjiaodian,Fire equipment;Sales,Install lighting fixtures;Green facilities,Technology development of water treatment equipment,Technical Services;Green facilities,Water treatment equipment sales,Production.**[Projects subject to approval according to law in the above business scope,Business activities can only be carried out after approval by relevant departments](Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Everbright Environmental Technology (China) Co., Ltd., established on 2016-07-15, Business scope includes investment and establishment environment,Energy-saving industrial projects and other industrial projects(Specific projects will be reported separately);Investment Management Consulting;surroundings,energy saving,new energy,electricity,heat,Engineering design related to construction projects,General contracting and consulting services;Installation of mechanical and electrical equipment,construction,Commissioning and maintenance;surroundings,energy saving,Technology research related to new energy,to develop,Transfer and Consulting Services;surroundings,energy saving,New energy related products,equipment,Material research and development,design,integrated,manufacture(Limited to branch operations),final assembly,Sales,commission agent(except auction),Import and export and related supporting business(Commodities that do not involve state trade management,Quota involved,Commodities managed by license management and other special regulations,Apply in accordance with relevant national regulations);Technical studies in the field of information technology,to develop,Sales of services and computer hardware and software products.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)