Chongqing Jiulongpo DistrictNo.38 Power Grid Dian Li Gong Ying Power Distribution Power Electrical Power Systems Dong Li Zong Cheng Dian Li Xi Tong Gui Hua Motors Engineering Dian Wang Gui Hua Mo Ni Ji Suan Power Simulation高新技术企业省级高新技术企业市级高新技术企业科技型中小企业市科技型中小企业软件著作权