Kunming Optolong Optics Co., Ltd.   

Optolong Optics Co.,ltd. is a professional manufacturer of optical coatings and optical filters processing in China. Our product covers bandpass filter, fluorescence filter, astronomoy filters,AR coating filters, Bandpass Filters, Edge filters, Longpass Filters, beamspliters and so on. Our company were established in 1999, the plant area cover more than 1,200 square meters and the total investment were more than 2 million dollars. Yulong Optics Co.,ltd has much experiences on filters design and producing.We can design and making various types of filters according to customer requirements.