About UsAffiliated to Dalian Danning Industries Development Co., Ltd, Dalian Danning Electrooptical Technology Co., Ltd was founded at the end of 1997 and is a high and new technology enterprise professionally pursuing the research and development in electrooptical technologies and materials. It is located in Dalian which is a beautiful seaside city and its products are remotely sold to U.S.A, England, German, Japan, South Korea, Australia, Taiwan and domestic relevant factories and scientific research units.With ten-year development, the company has undertaken extremely challengeable scientific research projects. Moreover, it has formed and possessed a team with high professional quality and strong scientific capacity.In 1999, Dalian municipal government approved the company as a high and new technology enterprise and provided it with capital support. In 2001, it was granted the creative technology capital support for its �����oject of High-Speed Twin Polishing Ultra-precision Machining for Large-Area Sapphire Single Crystal Substrate�����nd obtained relevant patents. LED Sapphire SubstrateWith multi-year accumulation in experience and more than one year research and development in technics, our company has already formed a stable batch LED production line. At present, Danning Company has reached the production ability in annually machining 250,000 pieces of 2-inch LED sapphire substrates. Today, it has been machining 2-inch sapphire substrates in batch and the sizes which can be machined include 1 inch, 2 inch, 3 inch and 4 inch and its product quality may reach the advanced level in the world. Optical Crystal Manufacturing