Sobek precision instruments co., LTD. Is a company with 15 years experience, pioneering and innovative spirit of instrument industry elite team of high-tech joint-stock enterprises, independent research and development, production, sales and all kinds of high precision optical measuring instruments used in industry. Set up an R&D center in Taiwan, the mainland has six big marketing service center and an overseas business.please contact with us: sales at sunpoc . Com , or www sobekk cn