Hainan Development Holdings Nanhai Co Ltd, formerly Aviation Sanxin Co Ltd, is principally engaged in the design and undertaking of curtain wall projects, as well as the manufacture and distribution of glass and deep processed products. The Company’s products include curtain wall glass products, home appliances glass products, curtain wall door and window products, as well as special glass materials. The Company also involves in aeronautical materials business. The Company distributes its products within domestic markets and to overseas markets.