i城建 is a mobile collaborative enterprise information product developed by Beijing Urban Construction Group Co. Ltd. It aims to enhance productivity and streamline business processes through its three main modules.

The first module, "审批" (Approval), allows users to receive real-time approval notifications on their mobile devices. Users can conveniently view detailed information about the approval documents, track the progress of the documents, and efficiently process them.

The second module, "发现" (Discovery), provides easy access to essential company information on the go. Users can browse through official documents, announcements, meeting notifications, educational training materials, QR codes, and data centers, all from their mobile devices.

The third module, "设置" (Settings), enables users to manage their account and version information directly from their mobile devices. They can modify their passwords, perform facial recognition for secure access, and configure the discovery page according to their preferences.