Shanghai Daheng Optics And Fine Mechanics Co., Ltd., reformed in 2001, is a high technology enterprise whose stock is completely held by Shanghai Institute of Optics and Fine Mechanics (SIOM) and Chinese Academy of Sciences (CAS). We were established by SIOM in 1998 to adapt the reform of scientific and technological system and transform the scientific and technological results. We are situated in the Industrial Park Of SIOM. Our main technical engineers are part-time senior researchers of Shanghai Institute of Optics and Fine Mechanics. Our registered capital is RMB 20, 215, 800. We are specialized in hardness testers, high temperature furnaces, optical components, laser components, optical crystal, special optical glass, special light power, laser processing, applying systems, experimental equipment, fine mechanical accessories, photoelectric products and optical measuring devices. Daheng got the rights of import and export in December of 2002 and initiated to develop the international business of import and export. Daheng also participates as a shareholder or main shareholder in 10 high-tech companies. The hardness testers manufactured by our business department include Rockwell hardness testers, Brinell hardness testers, Vickers hardness testers and Leeb hardness testers with more than 20 varieties, which are comprehensively applied to the fields of measurement, mechanical manufacturing, metallurgy, chemicals and construction materials for testing, research and manufacturing. We are sincerely expecting to provide our high quality products and the kind services for domestic and foreign customers.