1. In the search box of Zhiguitong homepage APP, search for the electronic seal and click Open.

2. At the official seal, you can receive the electronic seal of the enterprise to be signed according to the prompt (users can only receive the corporate seal of the enterprise as the legal representative of the enterprise, and need to set the certificate password when receiving it). After successful receipt, the seal pattern will be displayed at the official seal.

3. Reuse the center under the corporate seal function, scan and sign the QR code (after scanning the code, enter the certificate password on the pop-up page to get the seal settings).

4. After successful signing, the mobile phone automatically jumps back to the official seal interface, and the words "successful signing" pop up, and the signing operation of the corporate seal is completed.