Jiangsu Luokai Electrical and Mechanical Co., Ltd. (Rocoi) is located in the center of the Yangtze River Delta - Changzhou City. The company focuses on the R&D, production, sales and service of key apparatus on high and low voltage electrical distribution equipments. It is listed on the A-share main board of Shanghai Stock Exchange (stock code: 603829). With a history of 47 years, Ro...