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China Oil & Technology Investments International Ltd (Hongkong)
Xi'an landmark Oil Tech Co., Ltd.
Liaoning Austrian friends Energy Technology Co., Ltd.
Wuhan Research and Development Center
Zhanjiang Service Center
Shanghai Service Center
Tianjin Service Center
Xinjiang Service Center
Shengli petroleum equipment manufacturing center
In the project headquarters
Sino-Oil Sunshine(Beijing)Sci & Tech Co.,Ltd
  • China Oil & Technology Investments International Ltd (Hongkong)
  • Xi'an landmark Oil Tech Co., Ltd.
  • Liaoning Austrian friends Energy Technology Co., Ltd.
  • Wuhan Research and Development Center
  • Zhanjiang Service Center
  • Shanghai Service Center
  • Tianjin Service Center
  • Xinjiang Service Center
  • Shengli petroleum equipment manufacturing center
  • In the project headquarters