Contact Us

Comments and suggestions are welcomed!

Contact Information

Email Contact

For quick and direct communication, please send an email to sundahbnd@163.com . To help us better understand and resolve your problem, we recommend including the following information in your email (if applicable):

  • A clear description of the trouble or bug you encountered (e.g., "When I clicked the 'Download Data' button on the 'Research Reports' page, the page froze and failed to respond").
  • The time when the issue occurred (e.g., "Around 3:15 PM on October 10th").
  • The device and browser you used (e.g., "Windows 11 computer with Google Chrome 118.0.5993.88" ).
  • Screenshots of the problem (if possible), which will greatly assist us in locating the root cause quickly.

We typically respond to emails within 7-10 working days and will keep you updated on the progress of problem resolution.

🏫Address: Hebei Agricultural University 2596 Lekai South Street, Lianchi District Baoding City, Hebei Province P.R. China Postal Code: 071001

Your feedback is crucial to the improvement of ac4CInfo. We sincerely thank you for your support and patience, and we will continue to work hard to enhance the quality of our platform and services.

Map data © OpenStreetMap contributors