Daim ntawv pov thawj

  • Quality management system certification
    Kev tswj xyuas qhov system ntawv pov thawj
  • Occupational health and safety management system certification
    Kev ua haujlwm kev noj qab haus huv thiab kev tswj hwm kev nyab xeeb daim ntawv pov thawj
  • Environmental Management System Certification
    Environmental Management System Certification
  • Transmission line tower inspection report (500kv)
    Kis kab ntauwd tshuaj xyuas daim ntawv qhia (500kv)
  • steel pipe pole inspection report (220kv)
    steel yeeb nkab ncej tshuaj xyuas daim ntawv qhia (220kv)
  • Steel pipe bracket inspection report (500kv)
    Hlau yeeb nkab bracket soj ntsuam daim ntawv qhia (500kv)