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05 Aug 2025
Top 10 Alumina Producers in China (2025)
Keywords
Alumina (aluminum oxide) is a versatile material with critical applications beyond aluminum smelting-it is a key precursor in industries such as advanced ceramics, refractories, abrasives, aerospace, semiconductors, and clean energy. It plays a pivotal role in China's economic and industrial development.
According to the National Bureau of Statistics, China produced 85.522 million tons of alumina in 2024, a year‑on‑year increase of 3.9%, and accounting for 60% of global output. Data from Aladdin shows that among the world's top ten alumina producers, five Chinese groups, including Chalco (China Aluminum) and China Hongqiao, produced a combined 61.82 million tons, or 63.77% of their total .
Here are the top 10 Chinese alumina producers, listed by scale (not ranked):
1. Aluminum Corporation of China (Chalco Group)
A diversified mining and metals conglomerate involved in over 20 non‑ferrous metals (e.g. aluminum, copper, gallium, germanium), Chalco is a global player and largest single shareholder in Rio Tinto. Its subsidiaries (China Aluminum, Yunnan Copper, Chalco International, etc.) span alumina, electrolytic aluminum, high‑purity aluminum, and aluminum anodes. In 2023, Chalco's alumina output reached 17.37 million tons, leading China; in 2024 China Aluminum alone produced 16.87 million tons.
2. China Hongqiao Group
An integrated aluminum industry leader, with production spanning alumina, liquid aluminum alloy, fabricated aluminum, and new materials. As of end‑2024, Hongqiao had domestic alumina capacity of 17.5 million tons/year. Its Indonesian subsidiary, Hongfa Weli Alumina, has a 2 million tpa alumina plant (split into two phases: 1'Mtpa operational since mid‑2016, and another 1'Mtpa since end‑2021)
3. Xinfa Group
Founded in 1972 in Shandong, Xinfa pioneered the coal‑power‑aluminum integration model ("cogeneration → aluminum smelting → alumina refining"). With over 80 subsidiaries and total assets of ¥310'billion, Xinfa's alumina output in 2023 reached 10.29 million tons, ranking third in China.
4. Jinjiang Group (Sanmenxia Aluminum)
Established 1983 in Hangzhou, Jinjiang Group is a major private diversified industrial player. It founded Sanmenxia Aluminum in cooperation with major state partners. Today it is among China's leading alumina suppliers, with plants across Henan, Shanxi, and Guangxi, and has a strong position in domestic market supply.
5. Bosai Group
Founded in 1994 in Chongqing, with operations in alumina and manganese sectors, Bosai's subsidiary Chongqing Jiulong Wanbo New Materials operates a 4.6 million tpa alumina plant (using imported bauxite), with planned expansion to 6 million tpa by late 2025-making it the world's largest single‑unit alumina plant.
6. Wenfeng Group
Hebei Wenfeng is a large private conglomerate combining steel, aluminum, resources utilization, and finance. Its Wenfeng New Materials subsidiary (established 2020) began producing 4.8 million tons/year alumina and aluminum‑based new materials since 2022, with investment of RMB'12.9 billion and industry‑leading plant energy and cost efficiency.
7. State Power Investment Corporation (SPIC)
A centrally administered state enterprise integrating coal, electricity, and aluminum sectors (including mining and trading). As of May 2025, SPIC had alumina capacity of 3.9 million tpa, bauxite capacity of 11.2 million tpa, and electrolytic aluminum capacity of 4.3 million tpa, with integrated energy supply (coal, renewable, grid), and operations in domestic China and Guinea.
8. Oriental Hope Group
Founded in 1982, this diversified conglomerate operates across heavy industry (mining, power, aluminum, etc.), agriculture, and feed. By 2023, Oriental Hope had alumina capacity exceeding 5 million tpa, with full coal‑power‑aluminum integration and over 2 million tons/year electro‑aluminum & aluminum processing capacity.
9. Tianshan Aluminum (Jingxi Tiangui)
With over 30 years in aluminum, Tianshan Aluminum has built a vertically integrated chain (bauxite → alumina → smelting → high‑purity aluminum → aluminum foil), including captive power and anode production. In 2024, it produced 2.28 million tons alumina (up 7.55% YoY). Subsidiary Jingxi Tiangui has 2.5 million tpa capacity and delivered profits of RMB'17.8'billion.
10. Nanshan Aluminum
Shandong Nanshan operates a full-chain aluminum operation: captive coal‑power, alumina, smelting, casting, extrusion, rolling, and recycling. It currently has 3.4 million tpa alumina capacity in production and another 2 million tpa under construction (including facilities in Indonesia). Its Indonesian operations benefit from abundant bauxite and coal resources and fiscal incentives, positioning Nanshan as one of Southeast Asia's largest alumina producers.
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