PRF (Premium-plan Royalty-Free) Membershi-p Free License Agreement:
PRF is a new copyright licensing model for the Internet and mobile Internet. He focuses on various web uses: creating websites, social media, online media content, marketing articles, e-commerce marketing plans, brand marketing and other promotional purposes.
Users only need to purchase a premium plan to obtain the right to use the picture within the validity period. If the user downloads the PRF authorization protocol, the image can be used permanently without being limited by time, area, or the like.