Suzhou Dongshan Precision Manufacturing Co., Ltd. is principally engaged in research, development, manufacture and distribution of precision metal products. The Company's major products are precision sheet metal products and precision castings, including precision products for communications, precision products for new energy industry, as well as precision products for machine tools and other mecha-electrical devices. Its products are applied in manufacture of antennas, filters and power amplifiers of communication base station, semiconductor automation equipment, precision machine tools, focused solar power generation systems, nuclear power devices and financial equipment, among others. During the year ended December 31, 2009, the Company obtained approximately 78.75% of its total revenue from precision sheet metal products.