田 华，钱 明
田 华，钱 明
Abstract：The history of the product manufacturing license system of prestressed concrete aqueduct and the current situation of license issuing of enterprises are introduced. Some systems and quality control model of PCCP such as the product manufacturing license system, the role of the production supervision system on the PCCP product quality supervision and quality control in the construction project, the limitations of the two systems and some problems exposed during the process of PCCP production supervisor are analyzed. If the product manufacturing license system should be canceled by the state council, it would be very necessary and feasible to implement the production supervision system in the construction project of PCCP. Meanwhile, the project owner should relax the conditions restrictions of PCCP product supervision agency qualification, and the related suggestions are put forward. In addition, the manufacture supervision institutions should act suitable positioning in the market according to their own professional ability.