About Us Our History
  • 1952
    Gaoyou Petroleum Equipment Manufacturer
  • 2009
    Hebei Bolu Tianbao Petroleum Equipment Manufacturing Co.,Ltd.
  • 2010
    Qingdao Tai Energy Technology Co.,Ltd.
  • 2018
    Gaoyou HaoXiang Petroleum Machinery Co.,Ltd.
  • 2018
    INTLEF Oil & Gas Technology Hebei Co.,Ltd.
  • 2019
    INTLEF Oil and Gas Group Co.,Ltd.
  • 2021
    Horizon Pressure Control (Jiangsu) Co., Ltd.
  • 2021
    Xinjiang INTLEF Oil and Gas Technology Co., Ltd.