WiMi Hologram Cloud Inc. has developed a data management system for SMEs that combines blockchain, AI, and IoT technologies to help companies achieve efficient, collaborative and intelligent processing of data. The system is based on a blockchain with a permissionless network structure supporting the IoT, providing data encryption protection and anti-tampering capabilities. It also enables data collaboration and data trust between two different enterprise partners, improving enterprise efficiency and productivity through data lightening and intelligent analysis.