Xi'an siduo optical electronic instruments co. Was derived from the original xi'an star optical electronic mechanical institute which was built in 1992. It is a privatly own scientific and technological enterprise which employs hi-tech personnel as its main work force. Engaged in the research of various optical plastics, it is dedicated to the extension of optical plastic components in the application of photoelectronic products. Due to the business expansion, the company was transformed into a limited liability company in 2000. Apart from the production of optical plastic components, it has expanded to undertake the research and production of magnifiers, microscopes, special telescopes, lenses, optical glass components, photoelectric instruments, moulds for plastic optical components, etc. There are six patents to its name. The company factory is located in the east suburb of the ancient city of xi'an in china. It has beautiful surroundings with excellent public transport facilities, welcoming costomers from home and abroad for business