The testing center involved in this problem is the service scope of engineering consulting units in China. The service scope of engineering consulting units in China includes: (1) planning consultation: including industry, special project and regional development planning preparation and consultation; (2) Prepare project proposal (including project opportunity study and pre-feasibility study); (3) Prepare project feasibility study report, project application report and fund application report; (4) Evaluation consultation: including project proposal, feasibility study report, project application report, preliminary design evaluation, post-project evaluation, budget and final accounts review, etc. (5) engineering design; (6) Tendering agency; (7) Engineering supervision and equipment supervision; (8) Project management: including the management services of the whole project process or several stages.