At present, the company's independently developed and produced product series includes passive series: fiber delay lines, fiber polarization controllers (manual/high-speed electric control), all fiber high-precision electric control fiber tensioners, MEMS optical attenuators, high-speed NS optical switches, polarization maintaining fiber couplers, fiber polarization splitters/combiners, online fiber polarizers, fiber collimators, active series: narrow linewidth lasers, broadband light sources, EDFA/SOA fiber amplifiers, pulse lasers, etc.