By the multivendor respective specialization contracted by the client and then the construction team with many manufacturers of planning, coordination, installation, on-line process to test. Under this approach, the customer in the project process can have a higher ability to control, but also necessary with relatively customers need to have sufficient resources, construction engineers and construction teams need to have a wealth of experience in construction, project total the amount may be higher and the execution time required for a longer ... and other restrictions, in order to get good results.