... which is composed of batching system, feeding system, mixing system, metering system , electric system, and material ... and its main features is as following: 1 Our mixing plants adopt integrated structure, complete machine set installation ... 2cement measuring accuracy%±1±1±1±1coal ash measuring accuracy%±1±1±1±1water measuring accuracy%±1±1±1±1additive measuring accuracy%±1±1±1±1aggregate delivery ...