Dongguan Yuanxing Optics Instrument Co.,Ltd.,established in 1998, is a joint-stock company which is engaged in the development, production and sales of precise measuring instruments integrated with optics, machinery and electricity. Our factory is located at Niushan Industrial Zone, one of the suburbs of Dongguan, and have 5000 square meter?s workshop and 10 senior engineers who come from Guizhou Bureau of National Aerospace Industry Ministry and are engaged in optical, mechanical and electronic technology.