Beijing Distributed Sensing and Control Technology Co., Ltd. was established in September 2003 and is located in Haidian District, Beijing. It is a high-tech enterprise jointly recognized by Beijing Science and Technology Commission, Beijing Finance Bureau, Beijing State Taxation Bureau and Beijing Local Taxation Bureau. Member of Beijing Zhongguancun High-tech Enterprise Association: The company has passed IS09001 quality management system certification, 1S014001 environmental management system certification, IS045001 occupational health and safety management system certification, and obtained three fire product certification certificates. Deen Technology has two factories and a number of high-end equipment production lines, one located in Beijing Haidian District Daoxianghu Road Greenbelt Central Plaza office; the other located in Tianjin Wuqing District. Dean Technology has a group of experienced senior experts in optoelectronics, high-speed signal processing, sensor structure design and computer software, and has good cooperative relations with many domestic universities and research institutes. Dean Technology has independent intellectual property rights, double soft certification, fire certification of three different types of products, two patent certificates and twelve software copyrights. The company's products have reached the advanced level of international similar products in terms of core technology, performance and reliability. Dean Technology has long been committed to the R & D, production, sales and service of photoelectric sensor network and control system. The products include distributed optical fiber sensing system, distributed optical fiber pipe network leakage online monitoring system, distributed optical fiber vibration measurement system (anti-excavation), distributed optical fiber linear temperature fire detector, optical fiber grating sensing system, fire power monitoring system, aspirating smoke detection system, optical fiber grating linear temperature fire detector, and high-performance wireless temperature detection system. Provide system design, complete equipment, installation and commissioning, personnel training and other professional services and solutions for the needs of industrial fire protection, municipal, electric power, coal, metallurgy, petroleum, petrochemical, warehousing, transportation, engineering construction and other industries.