POSCO Holdings Inc. engages in the production of steel products. It operates through the following divisions: Steel, Engineering & Construction and Trading. The Steel division produces cold rolled, hot rolled and stainless steel products, plates, wire rods and silicon steel sheets. The Engineering & Construction division engages in the planning, designing and construction of industrial plants, civil engineering projects, commercial and residential buildings. The Trading division exports and imports steel products and raw materials. The company was founded by Tae-Joon Park on April 1, 1968 and is headquartered in Seoul, South Korea.

Research Institute of Industrial Science & Technology, part of POSCO Holdings Inc., is a company headquartered in Pohang, the South Korea. The firm engages in commercial physical and biological research and development.

Beijing Haixin Energy Technology Co., Ltd. engages in the research and development, production, and sale of energy purification products such as catalyst and purifying agent. The company was founded by Ke Lin, Jie Zhang and Dong Li on June 3, 1997 and is headquartered in Beijing, China.

thyssenkrupp Industrial Solutions AG, a subsidiary of thyssenkrupp AG, is a company headquartered in Essen, Germany, that develops planning and constructing machines and plants for cement and mineral industries. It was founded in 2014. Marcel Fasswald is the current CEO, occupying that position since 2018.\nThe company says this about itself: The thyssenkrupp Industrial Solutions business area is a leading partner for the engineering, construction and service of all industrial plants and systems. In collaboration with our customers we develop top-quality solutions and deliver efficiency, reliability and sustainability over the entire life cycle. Our global network enables us to supply turnkey plants worldwide that set benchmarks in terms of value added and resource-friendly technologies.

NIPPON STEEL CORP. engages in the manufacture and trade of steel products. It operates through the following segments: Steelmaking and Steel Fabrication; Engineering and Construction; Chemicals; New Materials; and System Solutions. The Steelmaking and Steel Fabrication segment produces and distributes steel sheets, plates, bars and wire rods, pipes and tubes, and machinery parts. The Engineering and Construction segment develops steel plants, heat management facilities, and industrial machinery and equipment. The Chemicals segment deals with chemical products, carbon materials, and epoxy resin products. The New Materials segment manufactures and trades semiconductors, stainless steel foils, silicon carbide wafers, carbon fibers, and metal substrates for catalytic converters. The System Solutions segment includes information technology infrastructure services. The company was founded in 1886 and is headquartered in Tokyo, Japan.

LOTTE Fine Chemical Co., Ltd. engages in the manufacture of fine chemicals. It operates through the following segments: Eco-Friendly & New Regeneration Energy, Electronic Chemical Materials (ECM), Chlorine & Cellulose, and Ammonia Relatives. The Eco-Friendly & New Regeneration Energy segment includes natural and artificial materials. The ECM segment provides tetramethylammonium chloride, toner, barium titanate powder, and liquid crystal polymer. The Chlorine & Cellulose segment offers mecellose, AnyCoat, epichlorohydrin, caustic soda, methyl chloride, and propyl trimethyl ammonium chloride. The Ammonia Relatives segment includes ammonia, urea, dimethyl acetamide, and dimethyl formamide. The company was founded on August 27, 1964 and is headquartered in Ulsan, South Korea.

Uhde, a subsidiary of thyssenkrupp AG, is a German company that provides chemical engineering services. Krupp Hoesch AG acquired Uhde from Hoechst AG on January 01, 1996 for $482.09 million.

Shenhua Shendong Coal Group Co., Ltd. is a Chinese company located in Erdos and ultimately controlled by the Government of China. The firm operates as an investment holding company.

Sumitomo Metal Industries, Ltd. engages in the steel business. It operates through the Steel and Other segments. The Steel segment includes pipes and tubes, sheets and plates, construction materials, railway parts, castings and forgings, bars, and titanium products. The Other segment comprises of real estate leasing and electronic components businesses. The company was founded in April 1897 and is headquartered in Osaka, Japan

China Energy Investment Corp. Ltd. engages in coal production, sales, electricity & thermal generation, coal liquefaction & coal chemicals, railway and port transportation. The company was founded on October 23, 1995 and is headquartered in Beijing, China.

Headquartered in Luxembourg since its creation in 1870, Paul Wurth has developed in the course of its history into an international engineering company. Combining wide experience with the capacity to continuously innovate, the Paul Wurth Group is today a leading player in the design and supply of the full-range of technological solutions for the primary stage of integrated steelmaking.

Acre Coking & Refractory Engineering Consulting (Dalian) is a private company headquartered in Dalian, China, that provides architectural services.

Guangxi Kuonengba Labor Service Co., Ltd., established on 2014-12-03, Business scope includes construction labor services,Earthwork,Water Resources and Hydropower Engineering,Steel structure engineering,Landscaping project,railway engineering,Road construction,tunnel Engineering,bridge engineering,Electrical installation works,Communication Engineering,Decoration project,Foundation and Foundation Engineering,Municipal Engineering,house demolition project(In addition to blasting),Landscape lighting project(The above projects are operated with qualification certificates,The specific project is subject to the approval of the approval department);Machinery and Equipment Leasing,road freight transport(The specific project is subject to the approval of the approval department);Domestic Freight Forwarding;Warehousing Services,Loading and unloading service,packaging service.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)

Manufactures and distributes steel pipes

Part of Compagnie de Saint-Gobain SA, Carborundum Co. Ltd. is a British company located in St. Helens specializing in brick, stone, and related construction materials. William Patrick Kelly has been the CEO since 1996. Carborundum Co. Ltd. was acquired by Compagnie de Saint-Gobain SA on March 01, 1996.

Xi'an Thermal Engineering Research Institute Co., Ltd., established on 2001-12-06, Business scope includes thermal power engineering installations,Industrial Process Automatic Control System,Chemical and Materials Engineering,Thermal metrology test,Environmental protection and energy saving and water saving,Technology research and development in the field of new energy power generation,technology transfer,Technical Consulting and Services;Technical Training(System internal staff only);thermal power design;Project contracting and complete equipment;Products in the above related technical fields,Development of equipment and devices,promotion and production,Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

China Shenhua Energy Co., Ltd. engages in the production and sale of coal and electricity. It operates through the following business segments: Coal, Power, Railway, Port, Shipping, and Coal Chemical. The Coal segment includes the production and sale of coal as well as the operation of coal mines. The Power segment includes the generation and sale of power and electricity. The Railway segment includes the operation of transportation railways for coal and non-coal commodities. The Port segment provides logistics and vessels for coal and non-coal cargo. The Shipping segment includes self-operated vessel management and allocation for coal distribution. The Coal Chemical segment comprises the coal-to-olefins project of Baotou Coal Chemical. The company was founded on November 8, 2004 and is headquartered in Beijing, China.

Taiyuan Silian Heavy Industry Co., Ltd., established on 2015-07-28, Business scope includes mechanical processing of coking equipment,welding;Coke oven machinery and equipment,Belt conveyor,Shaker,gear box,Coal chemical equipment,Metallurgical machinery and equipment,Rolling equipment,Design of electrical equipment,manufacture,Install,debugging,Sales,Maintenance and technical service;Hydraulic products and complete sets of dust removal equipment,Wujinjiaodian,building materials,steel,Industrial and mining accessories,coal products,coke,coal,pig iron,Steel ingot,billet,electronic product,Chemical Products(Does not contain dangerous goods)promotion of;import and export trade.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)***

Wuhan Iron & Steel Co., Ltd. engages in the processing and manufacturing of iron and steel products. Its products include silicon steel, hot-rolled, cold-rolled, section steel, wire and rod. The company was founded in 1954 and is headquartered in Wuhan, China.