1. Stealth technology. The unique turnover technology is adopted, and the chapter surface is hidden and invisible.
2. Remote stamping. Managers should review and seal the contents in real time, and seal them remotely. It is equivalent to the management personnel "coming to the scene" to stamp.
3. One cover and one yard. Zhang Guanjia has a unique invention patent. When stamping, he interacts with the seal through the mobile phone or stamping equipment to ensure that the contents of each stamping document can be recorded and uploaded to the management platform simultaneously.
4. Separation of people's seals. Hot stamping does not need manual pressure, automatic hot stamping, simple and fast. "