Description of the "Collaborative Signature" Application - Version 2.2.2

The latest update to the Collaborative Signature application introduces a new mobile registration portal for non-certificate users, allowing for faster and more convenient registration and login processes.

Collaborative Signature is a versatile digital signature tool designed to facilitate paperless office work across various business scenarios by providing digital signatures and electronic certificates. It has become the preferred choice for electronic signing solutions in many industries across China.

Key features of the application include:

• Mobile Authentication Login: Users can access business systems through their mobile devices by selecting the Xianshushu authentication login option. They can use the Xianshushu app to provide a digital certificate for authorized login.

• PC Scan Login: For users accessing business systems from desktops, the Xianshui authentication login option generates a secure QR code. Users can then scan this QR code using the Xianshushu app to complete the authorization process.

• Digital Signatures: Once logged into the Xianshushu app, users can utilize their digital certificates or scanned certificates to sign critical data within the business system. This ensures that the business data remains legally valid and effective.

• Download and Reset Secure Electronic Certificates: The system automatically manages personal electronic digital certificates, enabling users to download and reset them securely and lawfully.

This version of the application enhances user convenience and security, making it an indispensable tool for modern businesses looking to streamline their operations with digital solutions.