1. Determine that construction enterprises apply for qualification according to their registered capital, technical personnel, technical equipment and completed construction performance. After passing the examination and obtaining the qualification certificate of the corresponding level, they can engage in construction activities within the scope permitted by their qualification level.
2. Construction enterprises can apply for one qualification at a time, or apply for multiple qualifications at the same time.
3.
Enterprises must first apply for low-level qualification, and only after the engineering performance of enterprises meets the requirements of high-level qualification and the relevant technical personnel and registered capital meet the minimum requirements can they apply for qualification upgrade.
If it is in Hebei, I think the unit of Dazhi Tiancheng is still good. You can trust me privately if you have any questions.