YIDU Smart Technology (Beijing) Co. ,Ltd（”YIDU Smart” or ”YIDU” for short）located in National development zone----Beijing Economic-Technological Development Area, covering area 13000 ㎡,founded in 2001,has CNY ¥100 million of registered capital. “YIDU Smart” provide solutions of intelligent instruments for “Smart City” and energy efficiency & environmental protection, including “Intelligent Water Supply Series Systems Solutions” ”Intelligent Heat Supply Series Systems Solutions” “Water Resource Recovery And Reclamation” “IOT Energy Consumption Management System” intelligent water meters; intelligent heat meters; intelligent pressure gauges; intelligent flow meters.