Supply area: Taiyuan City, Datong City, Shuozhou City, Xinzhou City, Luliang City, Linfen City, Jinzhong City, Changzhi City, Yuncheng City, Yangquan City, Jincheng City, Shanxi Province Product characteristics and advantages The whole system runs smoothly, with low noise and no mechanical impact. With fault self inspection and start emergency signal prompt function