Minle Middle Road, Qidong City. Cable signalman is a special type of work that directs the operation of tower crane. Its scope of work is to bind lifting objects, unhook and unload them at the construction site, and conduct lifting command operations. And training in Minle Middle Road, Qidong City, with a building area of 7,000 square meters. Jiangsu, referred to as "Su" for short, is the provincial administrative region of People's Republic of China (PRC).