Started in 2003, Lumen Optical Instrument Co., Ltd. is a professional optical instrument factory in Fuzhou, China. Though we had only formed for six years, our team consists of seasoned engineers who have more than 10 years experiences in this industry, and they had educated many skilled workers.



Our main products include handheld, digital and gemological refractometers, which have all specific use, and many types of fiber hand-held microscopes. Our services do not just end after sales, but will continue until the clients are satisfied. Our analytical instruments can be used in...