1. You can find someone from the original unit to do it face to face, but it is estimated that it can't be done online. Please fill in a "Registration Form for Employees Employed by Units in Shanghai"; & gt it should be enough to stamp the official seal of the company. As for the time, it will be finished on the spot soon.
In addition, if you resign, don't go to the social security center, but go to the employment agency in the district and county.