1. The first step is to open the Industrial and Commercial Bureau's online registration system, enter your account number and password, and then click "Login".

2. Then find the establishment of the company and click to enter

3. After inputting, you can see that the background file has been written. Just click Continue.

4. Then the system jumps to the signature page and click the signature button as shown in the figure below.

5. Then click "OK" in the pop-up system message prompt.

6. The next step is to select the shareholder who needs to sign in the displayed signature list, and then click the handwritten signature

7. The next step is to enter the scan code signature dialog that appears. In the box, use WeChat on your mobile phone to scan the QR code of the signature APP.

8. After installing the APP software on your mobile phone, click to open the APP software.

9. The next step is to proceed. The system will pop up the handwritten signature window and sign in the dotted box.

10. Finally, return to the commercial organization page to check the signature status, and you are done.