Grinm Advanced Materials Co.,Ltd. (China)

Grinm Semiconductor Materials Co., Ltd. was established as a joint stock limited company in 1999. The promoter to the establishment of the company is Beijing Nonferrous Metals Research Head Institute. With the approval of China Securities Regulatory Commission, The company's A shares were listed on Shanghai Stock Exchange on March 19, 1999 as one of the earliest listed companies in high-tech field. The company is principally engaged in the research, development, manufacture and distribution of semiconductor materials. The company primarily provides polished silicon wafers, including 4-6 inches, eight inches and 12 inches polished silicon wafers, as well as zone smelting products and monocrystalline silicon, among others. Its products are applied in the manufacture of integrated circuits (ICs), energy saving lamps and semiconductor equipment, among others. The company also involves in the provision of related technology services. The company distributes its products in domestic and overseas markets. As of December 31, 2010, the company had two subsidiaries/affiliates, which involved in the manufacture, distribution, development, import and export trading of semiconductor materials.