Two domestic Power Grid, five main electric power plants
  Thirty province/ city and self-governing dominion’s power companies
  Parts of system maker companies and joint ventures in China:
    Siemens High Voltage Switchgear Ltd, (Hangzhou)
    Suzhou AREVA High Voltage Switchgear Co., Ltd
    Beijing ABB High Voltage Switchgear Co., Ltd
    Beijing Ludian Equipment Co., Ltd, Henan Pinggao electric Co., Ltd
    New North-East electricity H.V. disconnecting switch Ltd
    Xi’an XD High Voltage Apparatus Co., Ltd
    Jiangsu Rugao High-voltage equipment Ltd
    Hunan Changgao High Voltage Switchgear Co., Ltd, etc.