Shanghai Bayunshui Sciene&Technology development Co., Ltd. was created in 2002 as a subsidiary of Fudan University of China. The team, led by Dr. Dongfang WU and based in Shanghai, China, started off creating innovative fiber-optics based components and system solutions for various applications. After years of research and testing, Bayunshui utilized its core strength in fiber-optics systems to venture into the fiber-optics based security systems, leakage sensors, current sensors, and communication related components. Bayunshui currently employs over 200 employees and is still growing. With our increasing strength in providing these total fiber optics solutions, we hope to become a global powerhouse in fiber-optics systems.