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 Laser Diodes, Photo Diodes, high data rate passive optical devices and modules, function modules, monitoring and system protection equipment,etc. 

GLSUN is a optical solution company, offer its customers low-cost, reliable optical products with superior performance in volume, GLSUN strives to develop innovative solutions leveraging III-V semiconductor laser chip technology to interconnect the world for the future.