The company traces its origins to the former Yunnan Smelter, established in 1958. In May 1998, it successfully listed on the Shenzhen Stock Exchange, becoming the sole publicly traded entity and core platform for the copper industry under Chinalco Group and China Copper Corporation. Its principal business activities encompass copper exploration, mining and beneficiation, smelting, the extraction of precious and rare‑dispersed metals, sulfur chemical production, and trading. The company's key products include cathode copper, gold, silver, industrial-grade sulfuric acid, as well as rare and dispersed metal products such as molybdenum, platinum, palladium, selenium, and tellurium. The company has received numerous accolades, including being named among the Top 100 Chinese Listed Companies for Quality and Credit in 2007; a standing council member of the Yunnan Gold Industry Association; ranked ninth in the Top 100 at the 10th China Listed Companies Golden Bull Awards; and listed among the top ten of the "Top 20 Silver Brands Most Favored by National Users" in 2012. It has also been honored with the "Responsible Bull Award" as an ESG Pioneer, the China Top 100 Enterprises Award, the 2022 Golden Information Disclosure Award, inclusion in the Top 50 State‑Owned Enterprises for ESG, the Top 100 ESG Companies, and the 17th Main Board Listed Companies Value Top 100 Award. Additionally, it has been recognized with the title of "Advanced Grassroots Party Organization," as well as more than 30 national and provincial honors, including the "National Model Worker Unit" and the "Central Enterprise Model Worker."
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Production, processing, and sales of non‑ferrous and precious metals, as well as the design, construction, and research & development of related production processes. Production, processing, and sales of high‑tech and chemical products. Manufacturing and installation of mechanical and power equipment; export of the company's own products and related technologies; import of raw materials, auxiliary materials, machinery, instruments, spare parts, and associated technologies required for the company's research and development activities; undertaking processing‑with‑imported‑materials and "three‑come‑one‑help" operations; exporting copper products, flotation reagents, and non‑ferrous metals manufactured by the company; importing raw materials, machinery, instruments, spare parts, and other inputs necessary for production and R&D; engaging in the mining and beneficiation of non‑ferrous metals; processing and selling fertilizers; producing feed additives; manufacturing sulfuric acid; producing food additives; producing and trading gaseous products such as liquid oxygen, oxygen, nitrogen, and argon; manufacturing medical oxygen; selling mixed gases, liquid nitrogen, liquid argon, high‑purity nitrogen, high‑purity argon, and high‑purity helium; conducting import and export of goods and technologies; producing and operating compressed air; providing analytical testing, logistics, transportation, and ancillary logistics services. Trading in various commodities, including daily necessities, personal protective equipment, cultural and office supplies, packaging materials, chemical raw materials and products (excluding hazardous materials), hardware and electrical goods, electromechanical equipment and spare parts, machinery and related components, plastic products, rubber products, construction materials, refractory materials, cement products, thermal insulation and anti‑corrosion coatings, building waterproofing materials, thermal insulation and heat‑retention materials, lubricating oils, greases, metal materials, and metal products. Coal, electric wires and cables, and trade agency services. Technical consulting, technology transfer, and technical services. (For business activities subject to national laws and regulations, operations shall be conducted only with the requisite licenses.) (For projects requiring legal approval, business activities may proceed only upon obtaining approval from the relevant authorities.)