Barrick Gold Corporation (Barrick) is engaged in the production and sale of gold, as well as related activities, such as exploration and mine development. Barrick also produces copper, principally from the Zaldivar and Lumwana mines and holds other interests, including a nickel development project located in Africa. Barrick’s business is organized into seven primary operating segments: four regional gold businesses, a global copper business unit, an oil and gas business, and a capital projects group. Its producing gold mines are concentrated in three regional business units (RBU): North America, South America, and Australia Pacific. Its Copper business unit contains producing copper mines located in Chile and Zambia. Barrick’s North American RBU consists of its Cortez, and 60% interest in the new Pueblo Viejo mine. In October 2013, Barrick Gold Corporation completed the divestiture of its Yilgarn South assets (Yilgarn South) in Western Australia to Gold Fields Limited.

Mitsubishi Materials Corp. engages in the manufacture and sale of cement, metals, ceramics, and other industrial materials. It operates through the following segments: High-Performance Products, Processing business, Metal business, Cement business and Other business. The High-Performance Products segment manufactures and sells copper processed products, functional materials, electronic devices, chemical products, polycrystalline silicon and Aerosil. The Processing business manufactures and sells carbide products and sintered products. The Metal business smelts and sells Copper, gold and silver. The Cement Business segment manufactures and sells cement and ready-mixed concrete. The Other Business involves in geothermal and hydroelectric power generation business, environmental recycle business, real estate, Civil engineering, construction, repair work and geological survey. The company was founded by Yataro Iwasaki in May 1871 and is headquartered in Tokyo, Japan.

Yunnan Chihong Zinc & Germanium Co., Ltd. engages in the exploration, mining, metallurgical, deep processing and sale of zinc, lead and germanium. It provides zinc products, lead products, silver ingots, germanium, gold, sulfuric acid, and electrolytic copper. The company was founded on July 18, 2000 and is headquartered in Qujing, China.

Outotec Oyj engages in the provision of technology solutions and services that supports the entire life cycles of processes, including operation and maintenance. It operates through the following segments: Minerals Processing; and Metals, Energy and Water. The Mineral Processing segment provides suitable mineral processing solutions from pre-feasibility studies to complete plants and life cycle services. The Metal, Energy and Water Segments gives sustainable solutions for metal processing, renewable energy production, and industrial water treatment. The company was founded in 1910 and is headquartered in Espoo, Finland.

Leiyang Yanxin Nonferrous Metals Co., Ltd., established on 2006-06-06, The business scope includes antimony trioxide,Arsenic trioxide,Sulfite,Non-ferrous metal recycling, reproduction and sales;Collection of industrial solid waste and hazardous waste,storage,transportation,deal with;Comprehensive utilization of resources,garbage disposal,Sludge treatment and disposal services;For electrolytic waste in renewable resources,Soot,wet mud,Smelting slag disposal;waste heat power generation;Technical Advisory Services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Kuming Metallurgical Research Institute is a private company headquartered in China that engages in metallurgical research activities.

Aluminum Corp. of China Ltd. engages in the enterprise of non-ferrous metals. It operates through the following business segments: Alumina, Primary Aluminum, Trading, Energy, and Corporate and Other. The Alumina segment includes the mining and purchasing of bauxite and other raw materials, and production and sale of alumina as well as alumina-related products, such as alumina hydrate, alumina-based chemical products and gallium. The Primary Aluminum segment includes the procurement of alumina, other raw materials, supplemental materials and electrical power, the production and sale of primary aluminum and aluminum-related products, such as carbon products, aluminum alloy products, and other electrolytic aluminum products. The Trading segment engages in the trading of alumina, primary aluminum, other non-ferrous metal products, and crude fuels such as coal products, as well as supplemental materials to internal manufacturing plants and external customers. The Energy segment includes coal mining and power generation, including conventional coal-fire power generation and renewable energy generation such as wind power and photovoltaic power. The Corporate and Other segment engages in the corporate and other aluminum-related research, development, and other activities of the group. The company was founded on September 10, 2001 and is headquartered in Beijing, China.

Ningbo Fumei Rui Environmental Protection Technology Co., Ltd., established on 2018-03-28, The scope of business includes technical services in the field of environmental protection technology,technology R & D,technical consulting,Achievement transfer;Environmental Purifier,Production of chemical additives;Solid Waste,waste liquid,Research and development of wastewater treatment equipment,wholesale,retail,Install,debugging;metallic material,building materials,Chemical raw materials and products(Removal of hazardous chemicals),Environmental Products and Equipment,Computers and Accessories,Electrical Equipment,Fire Equipment,Wholesale of security equipment,retail.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Part of Zijin Mining Group Co., Ltd., Zijin Copper Co., Ltd. is a Chinese company located in Shanghang that engages in the mining of copper. It was acquired by Zijin Mining Group Co., Ltd. on September 11, 2009 for $15.23 million.

Hunan Daqing Ecological Technology Co., Ltd., established on 2019-06-26, Business scope includes natural science research and experimental development;Construction waste disposal equipment,recycled building materials,water treatment equipment,Water treatment chemicals and their consumables,Domestic waste disposal equipment,water treatment technology,Electrical Technology,Ecological Restoration Preparations,Functional Materials,Intelligent technology research and development;R&D and management of ecological and economical restoration of mines;Bio-ecological soil and water environment research and development and governance;Prevention and Control of Heavy Metal Pollution;farmland restoration;Consulting for sludge treatment projects;Sanitation Management;Green management;Sales of special pharmaceutical materials for environmental pollution treatment;Environmental Technology Consulting Services;Environmental Consulting;Technical consultation and service of polymer materials;Biotechnology Development Services;water pollution control;Air Pollution Control;Solid Waste Treatment;Hazardous Waste Treatment;Soil Pollution Control and Restoration Services;Noise and Vibration Control Services;Garbage harmless,Resource processing;Research on electronic products and accessories;Ecological protection and environmental governance business services;Environmental Comprehensive Management Project Consulting,design,Construction and Operation;Environmental protection industry information service and data analysis and processing service;Environmental protection equipment design,to develop;Energy saving technology development service;Energy saving and environmental protection technology consulting services;Environmental Technology Development Services;Research and development of non-ferrous metal comprehensive utilization technology,to promote;Water treatment system operation and maintenance;Landscaping project,Environmental Engineering Facilities,Soil and ecological restoration project construction;hardware products,Retailing of resin and resin products;Sewage Treatment and Its Reuse;Comprehensive utilization of non-ferrous metals;Landscape Architecture Engineering Design Services;Information system integration service;Construction machinery and equipment operating leasing;Water Quality Testing Service;Environmental Engineering,pollution control project,sludge treatment project,Design of Soil and Ecological Restoration Projects;Environmental Assessment;Air Pollution Monitoring;Water Pollution Monitoring;Noise Pollution Monitoring;Landscape Design,research and development.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Do not engage in unauthorizedP2Ponline loan,Equity crowdfunding,internet insurance,Asset management and cross-border finance,Third party payment,virtual currency transaction,ICO,Internet financial services such as illegal foreign exchange)

IG Farbenindustrie AG produces plastics, synthetic rubbers and synthetic fibres. It was formed as a result of the merger of the following six companies - BASF, Bayer, Hoechst, Agfa, Chemische Fabrik Griesheim-Elektron and Chemische Fabrik vorm. The firms product line include Coal tar dyestuffs, including crudes, intermediates and finished dyes,\nAuxiliary products, Innumerable organic and inorganic chemicals, Solvents such as those for paints, lacquers and varnishes, Accelerators and anti-oxidants, Preservatives, Tanning agents, Mineral colors, Synthetic building materials, Compressed and rare gases, Light and heavy metals, including aluminum and magnesium, Synthetic gems, Synthetic perfumes, Insecticides and fungicides, Photographic products and equipment, Cell wool, Rayon, Celluloid, Plastics, Synthetic gasoline, Synthetic rubber, Explosives, Nitrates & fertilizers and Vistra (synthetic textiles). The company was founded in 1925 and is headquartered in Frankfut, Germany.

Guangdong Pioneer Rare and Precious Metal Materials Co., Ltd., established on 2018-10-31, Business scope includes general items:Sales of new metal functional materials;Sales of high-performance non-ferrous metals and alloy materials;Rare rare earth metal smelting;Common non-ferrous metal smelting;Precious metal smelting;Gold and Silver Products Sales;Sales of high-purity elements and compounds;Sales of non-metallic minerals and products;Research and development of special electronic materials;Electronic special material manufacturing;Sales of electronic special materials;Manufacturing of non-ferrous metal alloys;Non-ferrous metal alloy sales;New material technology research and development;New material technology promotion service;Feed Raw Material Sales;Feed Additive Sales;Import and export;Technology Import and Export.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)licensed items:Feed additive production.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments)

Kunming Platinum Metal Materials Co., Ltd., established on 2007-07-02, Business scope includes general items:Metal Ore Sales;Sales of non-metallic minerals and products;Manufacturing of non-ferrous metal alloys;Non-ferrous metal alloy sales;Manufacturing of Specialty Chemical Products(Free of Hazardous Chemicals);Specialty Chemicals Sales(Free of Hazardous Chemicals);Import and export;Technology Import and Export;Import and export agency;Instrument sales(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).

Henan Zhongyuan Gold Smeltery Co., Ltd., part of Zhongjin Gold Corp. Ltd., is a Chinese company located in Sanmenxia that smelts and distributes gold. Zhongjin Gold Corp. Ltd. acquired Henan Zhongyuan Gold Smeltery Co., Ltd. on April 03, 2020 for $806.19 million.

JX Nippon Mining & Metals Corp. engages in the development and mining of non-ferrous metal resources. Its products include copper foil, sputtering targets, compound semiconductors, surface treatment agents, metallic powder, precision rolled products, cathode materials and precision fabricated products. The company was founded in December 1905 and is headquartered in Tokyo, Japan.

Bibus AG is a private company headquartered in Switzerland with a presence in Hungary, Poland and Austria. The firm develops, manufactures and distributes hydraulic, pneumatic and mechatronic components and systems.

Yunnan Chihong Resources Comprehensive Utilization Co., Ltd., established on 2015-08-25, Business scope includes licensed projects:fertilizer production;Inspection and testing service;Electrical Installation Services;Power generation business,Transmission business,for(match)Electric business;power transmission,powered by,Installation of power receiving facilities,Repair and Test;Hazardous Waste Management;Hazardous Chemical Production(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results)General project:Common non-ferrous metal smelting;Rare rare earth metal smelting;Precious metal smelting;Manufacture of non-metallic mineral products;Non-ferrous metal rolling processing;Manufacturing of non-ferrous metal alloys;Metal scrap and scrap processing;Jewelry Manufacturing;Sales of renewable resources;Metal Material Sales;Metal Ore Sales;Non-ferrous metal alloy sales;Sales of non-metallic minerals and products;fertilizer sales;Jewelry Retail;Chemical product production(No licensed chemical products);Chemical product sales(No licensed chemical products);Metering technical service;Research and development of unconventional water source utilization technology;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Sewage Treatment and Its Reuse;Heat production and supply;electrical equipment repair;General Equipment Repair;Instrument Repair;Mechanical and electrical equipment manufacturing;Electronic special material manufacturing;Sales of electronic special equipment;Supply Chain Management Services;Machinery and Equipment Leasing;Special equipment rental;Non-residential real estate leases;Land use right lease;housing lease;business training(Does not include education and training,Vocational skills training and other licensed training);Import and export(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).