www.glsun.com

DFB LD Chips | Fiber Optical Switches | Optical Line Protection and Fiber Cable Monitoring System Manufacturer | GLSUN | Official Site

GLSUN makes DFB LD chips & photodiode chips, high quality optical switches, mems variable optical attenuators, optical isolators, cwdm, dwdm, optical splitters, optical line protection and fiber monitoring solutions for optic and data market.