Hong Ao

Part of Grinm Advanced Materials Co., Ltd., Guo Jing Micro-Electronic Holdings Ltd. is a Chinese company that manufactures and distributes semiconductor materials.

Youyan Science & Technology Group Co. Ltd. is a Chinese company that researches and develops industrial incubators. The private company is based in Beijing, China and ultimately controlled by the Government of China.

Beijing Guojing Infrared Optical Technology Co., Ltd. is an optical technology company in China. It specializes in Germanium & Infrared Materials; its research, productions, sales, imports & exports. The company was founded in 2000 and is headquartered in Beijing, CN.

China Rare Earth Co. Ltd. offers mining, smelting, and processing services for nonferrous metals. The private company is based in Beijing, China.

China Rare Earth Group Co., Ltd. is a Chinese company that engages in the mining of rare earth metals. The private company is based in Ganzhou, China. The company is ultimately controlled by the Government of China. The company was founded in 2021. The CEO is Lei Yun Liu.

Aluminum Corporation of China engages in the development and trade of mineral resources; smelting and processing of nonferrous metals; and provision of engineering and technical services. It operates through the following business segments: Aluminum Plate, Copper Plate, Rare Earth Plate, Engineering Technology, Mineral Resources, Overseas Sector, Trade, Energy, and Financial. Its products include alumina, aluminum ingots, carbon products, fabricated aluminum products, fabricated copper, rare metals, and rare earth products. The company was founded on February 23, 2001 and is headquartered in Beijing, China.