Portable concrete mixer is an innovated trailable mobile cement and concretebatching plantwith new structure ,a trailing unit of which is designed to fulfill a variety of tasks that include material collecting, weighing ,mixing and delivering, with a clear human-machine interface. Perfect stability and mobility quality it to be an ideal model in the mobile constructing of roads, bridges, ports and hydroelectric projects. 1,batcher: with 2 aggregate bins (each one with 10m3)and adopt accumulative weighing system. 2,conveyor: adopting the Guard belt, it can distribute the material fast and stability, and it with cleaning device. 3,mixer: adopting twin-shaft compulsory mixer, it can mix evenly and fast, the ability is strong. 4, controlling room: controlled by computer with whole auto-operarte, with the 15 years experience, the controlling procedure is designed perfectly. and the system needn't professional to operate. the people who get simple training can operate