The capital construction department generally refers to enterprises, institutions and management institutions specializing in construction production and business related to capital construction. Including geological exploration institutions, scientific research institutions, survey and design units, construction and installation enterprises and preparatory institutions for capital construction projects.

It is generally believed that the infrastructure sector is not an independent material production sector. However, some people think that the infrastructure sector is a special material production sector; Its products include productive and unproductive infrastructure projects and individual projects.

Main work: responsible for the land management and use of this unit; Make a master plan; Formulate the development plan of capital construction; Responsible for infrastructure construction; All-round management of each project; Responsible for organizing bidding and so on.