When doing wechat operations such as (refund, corporate red envelope, corporate payment) withdrawal, wechat returns (WHICH field I forget) the information is: The certificate expires, then you need to obtain the certificate again, the prerequisites for obtaining the certificate are as follows:
1. You need to have the merchant number (similar to a telephone number) of the wechat merchant platform, and the merchant name (such as the company name).
2: according to the official documentation for the corresponding operation can be (according to this to do) kf.qq.com/faq/161222N…
Here is my own summary of the process
Download a certificate generation basis, which will be used later
Windows version: wx.gtimg.com/mch/files/W…
MAC version: wx.gtimg.com/mch/files/W…
Below is the file for the certificate
According to the steps of login and official documents to do on the line, not how difficult, here about a train of thought, thank you watch, do have a question please leave a message.