Shanghai Daheng Optics and Fine Mechanics Co., Ltd., reformed in 2001 is the high technological enterprise whose stock is completely held by Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS). It was established by SIOM in 1998 to adapt the reform of scientific and technological system and transform the scientific and technological results. It is situated in the industrial park of SIOM. The main technical engineers of Daheng are part-time senior researchers of Shanghai Institute of Optics and Fine Mechanics. The registered capital of it is RMB20, 215, 800. It is specialized in hardness testers, high temperature furnaces, optical components, laser components, optical crystal, special optical glass, special light powers, laser processing and applying system, experimental equipment, fine mechanical accessories, photoelectric products and optical measuring devices. Daheng acquired 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 shareholder or main shareholder in 10 hi-tech companies.

Business department of photoelectric material equipment established by SIOM to professionally produce experimental equipment is mainly engaged in the development and application of hardness testers and high temperature furnaces applicable for universities and scientific and research institutes. Our products are popular among the domestic and foreign users.

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 in the field of measurement, mechanical manufacturing, metallurgy, chemicals and construction materials for testing, research and manufacturing.

High-temperature furnaces of our business department have four varieties involving high-temperature experiment box-type furnace, CVD series vacuum tube furnace and vacuum atmosphere, an atmosphere of box-type furnace with diverse temperatures and dimensions and hundreds of models. Furnaces of different varieties can be customized according the requirements of customers to meet the universities, research institutes and mining enterprises to do high-temperature sintering, metal annealing, atmosphere restoration and quality inspection, which are comprehensively applied to the field in materials, physics, chemistry, metallurgy, chemicals and the development of new energy.

We are sincerely expecting to provide our top quality products and best service for domestic and foreign customers.