Zijin Mining Group Co., Ltd. engages in exploration, mining, and smelting processing of gold, copper, zinc, and other metal mineral resources. It operates through the following segments: Gold Bullion; Processed Refined and Trading Gold; Gold Concentrates; Electrolytic Copper and Electrodeposited Copper; Refined Copper; Copper Concentrates; Other Concentrates; Zinc Bullion; and Others. The Gold Bullion segment consists of the production of gold bullion through the Group’s integrated processes such as mining, processing, and refining. The Processed Refined and Trading Gold segment covers the production of gold bullion by processing gold concentrates produced by the Group or purchased from external suppliers and gold bullion in the business of physical gold trading. The Gold Concentrates segment refers to the production of gold concentrates that are up to smelting standard by processing gold ore produced by the group. The Electrolytic Copper and Electrodeposited Copper segment comprises of the production of copper cathodes through the Group’s integrated processes such as mining, processing, and refining. The Refined Copper segment refers to the production of copper cathodes by processing copper concentrates produced by the Group or purchased from external suppliers. The Copper Concentrates segment is up to smelting standard by processing copper ore produced by the Group. The Other Concentrates segment focuses on the production of zinc concentrates, tungsten concentrates, lead concentrates, and iron concentrates. The Zinc Bullion segment engages in the production of Zinc Bullion. The Others segment consists of the sales income from sulphuric acid, copperplate, silver, iron, and trading income from copper cathodes. The company was founded by Jing He Chen on July 15, 1986 and is headquartered in Longyan, China.

Kyowa Chemical Industry Co. Ltd. engages in the manufacture and sale of magnesium compounds. Its products include magnesium oxide, magnesium hydroxide, synthetic hydrotalcite, carbonate, silicate, acid acceptor, polymer additives & stabilizers, chemical adsorbents, flame retardants, raw materials for metallic salt, food additives and others. The company was founded in September 1952 and is headquartered in Sakaide, Japan.

Earth Sciences, Inc. is a mineral exploration and development company. The company owns a facility in Calgary, Alberta, Canada; alunite properties which contain alumina, sulfur and potash; and other mineral properties and prospects. It intends to focus its resources in furthering its mineral exploration activities and alternative uses for the Calgary plant. Earth Sciences was founded by Duane N. Bloom & Ramon E. Bisque on October 25, 1957 and is headquartered in Littleton, CO.

Southwire is one of the world’s leading developers, manufacturers and suppliers of building wire and utility cable, as well as the tools used in their installation. As such, we are continually improving our products, studying how they’re used in the field, and assessing the needs of our customers to find new and better ways to solve the problems facing the industry. We strive to ensure that every product we develop helps increase safety, improve productivity, reduce manpower, save time and save money — both on and off the jobsite. After all, we don’t just want to produce the most wire products. We want to produce the best wire products.

The National Steel Corporation (1929–2003) was a major American steel producer. It was founded in 1929 through a merger arranged by Weirton Steel with some properties of the Great Lakes Steel Corporation and M.A. Hanna Company with headquarters in Pittsburgh. Despite a difficult market in Depression-setting 1930, the company reported USD 8.4 million in profits. Again, in 1931 the company was profitable unlike many other competitors. The company could attribute its success primarily to sales to the automobile industry. Large steel producing operations were located near Detroit, providing the company with low shipping costs. Throughout the Great Depression, National Steel obtained profitability every year.

Denka Corp., part of Denka Co., Ltd., is an American company located in New York, NY. The firm manufactures and distributes chemical products.

National Southwire Aluminum Co. is an American private company located in Hawesville, KY, that produces aluminum.

Onoda Cement Co., Ltd. is a Japanese private company that manufactures and sells cement.

Okutama Kogyo specializes in mining, manufacturing, and selling limestone and other earth resources.

A&A Material Corp. engages in the manufacture and sale of non-combustible building and industrial materials. It operates through the following business segments: Construction and Building Materials Business, Industrial Products and Engineering Business, and Others. The Construction and Building Materials Business segment deals with the manufacture and sale of non-combustible building materials and flame-resistant double layer pipes. It also designs and implements steel fireproof coating work. The Industrial Products and Engineering Business segment handles the manufacture and sale of non-combustible textiles, friction materials, sealing materials, heat and cold insulation materials, and sound insulation materials. The Others segment provides real estate property services. The company was founded on March 4, 1924 and is headquartered in Yokohama, Japan.

Bgrimm Technology Group Co. Ltd. (doing business as BGRIMM) is a Chinese company located in Beijing and ultimately controlled by the Government of China. The firm operates as a research institute. It was founded in 2000. Long Han is the current CEO of the company.

​Outokumpu is a global leader in stainless steel with cold-rolling capacity of 2.4 million tonnes. We create advanced materials that are efficient, long lasting and recyclable – helping to build a world that lasts forever. Stainless steel is an ideal material to create lasting solutions in demanding applications from cutlery to bridges, energy to medical equipment. Stainless steel as material is 100% recyclable, corrosion-resistant, maintenance-free, durable and hygienic. Outokumpu has been instrumental in developing the stainless steel industry into what it is today. Indeed our history is as old as that of stainless steel itself, dating back a century to our sites in Germany and the UK where stainless steel was invented in the beginning of the 1900s and in Sweden, where duplex was invented. Find out more about our R&D expertise. Our production facilities cover all continents and are located in ​Finland, Germany, Mexico, Sweden, the UK and USA, with a global sales and service center network close to our customers. Read more about our operations in Europe, Middle East and Africa (EMEA); in Americas and in Asia-Pacific (APAC). In 2015, Outokumpu sales were 6,384 million euros and stainless steel deliveries 2,381,000 tonnes. Outokumpu employs 11,000 professionals in more than 30 countries, with headquarters in Helsinki, Finland and shares listed in the Nasdaq Helsinki.

Sika Technology AG, a subsidiary of Sika AG, is a company headquartered in Switzerland. The firm provides technical consulting services.

Anhui Gaudi environmental protection conducts research and creates services for processing solid waste. Its stated goals are to utilize industrial solid waste waste as a resource, transform trash into precious stones, create a circular economy, and establish a viable industrial supply chain from solid waste to finished goods. They primarily produce near-zero energy integrated buildings, post-tensioned bridges, ultra-fine modified pulverized coal Ash, AAC autoclaved aerated concrete slabs, and so on. Based on its technological advantages and the steel structure with the AAC system, it collaborated with communities to establish a circular economy.

Linyi Conch New Material Technology Co., Ltd., established on 1999-05-27, Business scope includes production and sales:cement additive,concrete admixture;Research on New Technology, New Process and New Product of Cement Industry,Develop and promote applications;Cement technical consultation,Serve,transform(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

Korea Institute of Geoscience & Mineral Resources is a South Korean private company that provides geoscience research services.

Anhui Yaou Ceramics Co., Ltd., established on 2009-12-11, Business scope includes general items:Processing and manufacturing of architectural ceramic products;Paper Products Manufacturing;Manufacture of arts and crafts and etiquette supplies(Except for ivory and its products);Import and export;Technology Import and Export(Except for licensed business,Can independently operate projects that are not prohibited or restricted by laws and regulations)