Hebei Yunku Technology Co., Ltd. was founded in 2015, headquartered in Qinhuangdao City, Hebei Province, with more than 100 employees and two branches in Beijing and Hainan, and has obtained more than 80 patent certificates and software copyrights. Main products: Smart safety harness monitor, Confined space monitoring equipment, risk warning instrument, high-voltage distribution room to prevent going to the wrong interval, personnel positioning and other safety control equipment and so on.