... efficency, low running cost patented technology of subtraction weighing batching system (Patent No.200920088246.3),with high precision, compact design, ... producing efficency, low running costpower consumption is much lessthe mixing station can be encapsulated, no dust and noise isolated, ... 50 to 240 cubic meters of high quality ready-mixed concrete. The main types of plant HZS50K, HZS75K,HZS60A, HZS90A ...