Kunming Yulong Optical & Electronics Technology Co., Ltd.
IR filters, infrared filters, edge filters, ar coatings, metal & dielectric high reflectance mirrors, IR-cut filters, UV, IR cut filters, UV, VIS, NIR narrow bandpass filters, beamsplitter, laser film, dichroic filters, longpass filters, shortpass filters, cold mirrors, color filters, lens for auto darkening welding helmets.

China 
Taiwan 





United States
Others 
