Yangtze Optical Electronic Co., Ltd. is a Chinese company engaged in the research, development, production, and sale of specialty optical fibers and cables, optical devices, new materials, high-end equipment, and photoelectric systems. Its product portfolio includes optical fiber coils, optical modules, and various specialty fibers such as PANDA polarization-maintaining fiber, bend-sensitive single-mode fiber, photonic crystal fiber, and ytterbium-doped fiber, as well as preforms, capillary tubes, and stress rods. The company also supplies manufacturing equipment for specialty fibers and fiber coils, supporting equipment for fiber lasers and hydrophones, and thermal control modules and phase-change materials. Founded in 2010 and based in Wuhan, China, its products serve both military and civilian industries.