Group 1 - Chenzhou Diamond Tungsten Products Co., Ltd. has been established with a registered capital of 300 million RMB [1][2] - The company is wholly owned by China Tungsten High-Tech Materials Co., Ltd. (stock code: 000657) [1] - The business scope includes the smelting of common non-ferrous metals, rare earth metal smelting, manufacturing of non-ferrous metal alloys, and processing of non-ferrous metal rolling [1][2] Group 2 - The company is registered in the Su-Xian District of Chenzhou City, Hunan Province, with a business license valid until November 21, 2025 [2] - The registration authority is the Chenzhou Market Supervision Administration, High-tech Industrial Development Zone Branch [2] - The company is classified under the national standard industry of tungsten and aluminum smelting [2]