Click "My" in the lower right corner of the homepage.

Click "Change Mobile Phone Number" in the upper right corner of the page.

Enter a new mobile phone number and verification code.

Then face recognition is enough.

Jiangsu regulatory registration, commonly known as Jiangsu industrial and commercial app, Jiangsu market regulatory business license, and Jiangsu market regulatory app electronic signature. Jiangsu Provincial Market Supervision Administration has adopted the leading domestic mobile phone encryption algorithm software technology that conforms to the national password management policy, that is, it has realized the electronic signature and signature of mobile phones that conform to the electronic signature law, provided the official registration app for the majority of applicants, and solved the problems of easy copying of mobile phone electronic signatures, difficult traceability of evidence, legal effect and so on. At the same time, it also enables the applicant to realize the approval without meeting.