要实现安装工程项目成本的有效控制,必须做好开源节流。按国家政策规定,建筑安装行业是微利行业,它不是高技术含量的支柱产业,所以各种类型的施工单位都可以承接安装工程,其中民用建筑安装工程竞争更为激烈。所以,如果不搞好成本控制管理,做到心中有一本经济账,控制好各个环节 To achieve effective control of installation project costs, we must make the revenue and reduce expenditure. According to the national policies and regulations, the construction and installation industry is a meager profit industry. It is not a pillar industry with high technology content. Therefore, various types of construction units can undertake installation works, of which civil construction installation projects are more competitive. Therefore, if we do not do a good job of cost control and management, we should have an economic account in mind and control every link