河北OA is a mobile application that serves as an extension of the PC business system. Developed by China Mobile Communications Group Hebei Co. ltd, this app offers a range of core business system modules including demand approval, plan management approval, contact directory, SMS sending, phone calling, sharing, company information, and stock information.

With 河北OA, users can easily access and manage various business processes on their iPhones. The demand approval and plan management approval modules enable users to review and approve requests and plans, ensuring efficient workflow management. The contact directory feature provides a convenient way to access and communicate with colleagues and contacts.

In addition, 河北OA allows users to send SMS messages and make phone calls directly from the app, eliminating the need to switch between different applications. The sharing feature enables users to easily share documents and information with others. The app also provides access to company information and stock information, keeping users updated on the latest developments.

Overall, 河北OA is a valuable tool for users who need to access and manage their PC business system on the go. Its range of features and user-friendly interface make it a useful utility for professionals in various industries.