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Rio Tinto is a leading global mining group that focuses on finding, mining, and processing the Earth's mineral resources. Their products are essential for modern life, including materials used in construction, technology, and renewable energy.

Tongling Chemical Industry Group Co., Ltd. (Tonghua Group) is a state-owned chemical enterprise group with integrated asset management established in November 1991 with the approval of the provincial government. It is a state-owned holding mixed-ownership enterprise under Tongling City.

Tronox mines and processes titanium ore, zircon, rare earths and other materials, and manufactures titanium dioxide pigment.

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