Because of the dereliction of some staff who are engaged in project auditing, favoritism of bidding organizations, fabrication of bidders, dishonesty of construction companies and bribery operations, many principles, norms and systems that should be followed in a lot of projects have been artificially weakened, trivialized or neglected, which leads to the encroachment or inflation of some project funds, especially for some national investment projects (also called government investment projects). Here, taking the problems found by auditing organs in recent years in relevant project audits as an example, we can see some of the "tricks" involved.
Some senior people who have been auditing national investment projects for many years revealed that there were mainly six reasons why national investment projects had become a promising market in the construction industry.