Mi Yuan Shan

Hunan Coal Industry Co., Ltd. is a Chinese company that mines for coal. The private company is based in Changsha, China. The company is a subsidiary ultimately controlled by the Province of Hunan.

Hunan Guangxin Technology Co., Ltd. manufactures and produces cardboard insulation products. It mainly engages in the research, development, production and sales of transformer pressboard insulating component and other special & new type of paper products. Its products include pressboard & presspaper, hands-moulded components, segmnts of angle rings, construction components, laminated pressboard, no-glued screw rods & nuts, L-shape clamping insulatings, assembly lead exits and other related products. The company was founded on August 10, 2004 and is headquartered in Shaoyang, China.

Hunan Aerospace Huanyu Communication Technology Co., Ltd. engages in the design, development, manufacturing and services of microwave communication, satellite communication and space technological equipment and parts. The company was founded on March 10, 2000 and is headquartered in Changsha, China.

Hunan Valin Iron & Steel Group Co., Ltd. engages in the operation as an investment holding company with interests in manufacturing and processing steel products. Its business scope includes investing in steel industry chain projects such as metallurgical resource development and black stone metal smelting and processing, logistics and warehousing, financial industry, comprehensive utilization of waste resources, energy conservation and environmental protection, new materials, and high-end equipment manufacturing with its own legal assets. The company was founded on November 9, 1997 and is headquartered in Changsha, China.