Automatic paper shaker: This paper sorting machine utilizes air blowing and vibration to achieve thorough separation and neat arrangement of papers, effectively reducing paper dust and static electricity generated during printing or copying. High efficiency: With a vibration frequency of 4000 rpm, this high-speed paper jogger completes document sorting in just 15 seconds, providing neatly bound documents that simplify your workflow. Large capacity: Designed for heavy use, this sorter can accommodate up to 400 sheets of A4 paper, adapting to various paper sizes, making it a valuable tool for both personal and professional projects. Wide range of applications: Suitable for use in various settings including public institutions, judicial organizations, archives, hospitals, banks, and large enterprises for handling A4 and A3 paper, vouchers, and documents. Service: We are very sorry for the shopping experience you have experienced. If you have any problems with the goods you received, please contact us and we will serve you 24 hours a day.