Founded in 2001, Guilin GLSUN Science and Tech Group Co., Ltd as a key member of high-tech enterprises of China National Torch Plan, specializes in high level semiconductor laser diode chips development, production and packaging, focus on both Cloud Data Center and Telecom Networking Inter-connectivity. With widely production portfolio, our products including DFB LD chips, TO-CAN, high data rate passive optical devices and modules, function modules, monitoring and system protection equipment, etc.