BX Technologies Co., Ltd is located in Tsinghua Science and Technology Park and Yiyang National High-tech Zone in Hunan Province. It is a high-tech enterprise based on advanced technology and top talents of Tsinghua University, and has strong ability of technology research and development, innovation and production. We focus on modern biological monitoring technologies, a series of reagent-free water quality monitoring technologies, easy to maintain small water quality automatic monitoring station. Committed to providing advanced and high-end technologies, reagents, instruments, and automatic online monitoring system integration, operation and maintenance, information management and decision support system construction to the field of comprehensive environmental safety supervision, until the overall solution of environmental safety. At present, the production site covers an area of 4500 square meters. Dr. Sheng Jianwu, the founder of the company, Ph. D. / Senior Engineer in Environmental Science and Engineering, Tsinghua University He has participated in a number of national 863 projects, national major water projects, national major scientific instruments projects, national natural science funds and provincial and ministerial projects. He has published more than 50 valuable academic papers at China and abroad. More than 10 national invention patents have been applied and authorized. In 2014, the first prize of technical invention of the Ministry of Education (sensor technology and instruments) Company have a research and development team of more than 20 people, more than 90% are undergraduate or graduate degree; have a solid multi-disciplinary knowledge base in biotechnology, sensor technology, information technology, optical technology, precision instruments, environmental science, etc., and have a strong ability in product development and application.