The equipment can complete the batching procedures of 2-4kinds of materials composed of sand , stone, cement, etc. automatically in different mixing proportion set by customers. By adopting the accumulative weighing system of electronic weigher.,the plant is featured with highbatching precision, strong adoptability, adjustable mixing proportion, easy operation and convenient maintenance. It can be used together with JS350, JS500, JS750, JS1000, or JS1500 concrete mixer, which will take full advantages of forced mixer, thus improving the product efficiency and concrete quality.