We are mainly engaged in the production and sale of the following two eco-friendly construction materials: autoclaved aerated concrete blocks, and ready-mixed mortar, made from mining waste (iron tailings and copper tailings, etc.) and fly-ash, in and around the city of Nanjing, Jiangsu Province, China. We are a holding company and our primary business operations are conducted through our consolidated variable interest entity (or “VIE”), Nanjing Fuya, which we control through contractual arrangements.