Housing construction (construction general contracting level I) mining engineering (construction general contracting level I) smelting engineering (construction general contracting level I) electromechanical installation engineering (construction general contracting level I) tunnel engineering (professional contracting level I) steel structure engineering (professional contracting level I) furnace engineering (professional contracting level I) environmental protection engineering (professional contracting level I) lifting equipment installation engineering (professional contracting level I) highway engineering (construction general contracting level II) Electric power engineering (construction general contracting level II) municipal public works (construction general contracting level II) ready-mixed commercial concrete (professional contracting level II) anticorrosion and thermal insulation engineering (professional contracting level II) metallurgical industrial engineering design level I municipal public industrial engineering design level II construction industry (construction engineering) Design Grade B steel engineering consulting Grade A construction engineering consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting. Consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting consulting.
In addition, it has more than 20 special qualifications such as first-class steel structure manufacturing enterprise, second-class power facility license, second-class surveying and mapping, special equipment manufacturing, installation, modification and repair.