1. Management fee of the construction unit: refers to the management fee incurred by the construction unit.
2. Project supervision fee: refers to the cost that the construction unit entrusts the project supervision unit to carry out project supervision.
3. Project quality supervision fee: refers to the fee charged by the project quality supervision and inspection department for inspecting the project quality.
4. Bidding agency fee: refers to the service fee paid by the construction unit when it entrusts a bidding agency to bid for projects, equipment, materials and services.