Legal analysis: 1. Click the signature of the electronic business license, and the system will pop up a QR code that can be recognized by the electronic business license applet. This QR code can only be scanned by the download applet of the enterprise's "electronic business license". 2. Open the electronic business license applet and click "Sweep". 3. Select the contracting company. 4. Enter the password of the electronic business license. 5. Confirm the signature. 6. After the signature is submitted, the signature icon will be displayed on the electronic signature page.

Legal basis: A company established according to law in Article 7 of the Company Law of People's Republic of China (PRC) shall be issued a business license by the company registration authority. The date of issuance of the business license of the company is the date of establishment of the company. The company's business license shall specify the company's name, domicile, registered capital, business scope, name of legal representative and other matters. Where the matters recorded in the company's business license change, the company shall register the change according to law, and the company registration authority shall issue a new business license.