Which Gansu Province human and social biometric authentication system should be downloaded by retirees in Ganzhou District, Zhangye City?

Official website certified. Retirees in Ganzhou District, Zhangye City should download the Gansu Provincial Human Resources and Social Security Biometric Authentication System certified by the official website, because the official version is genuine. The Gansu Human Resources and Social Security Biometric Authentication System app is a convenient mobile phone application that integrates query and management functions, jointly developed by the Gansu Human Resources and Social Security Bureau and Gansu Mobile.