patented technology of subtraction weighing system (Patent No.200920088246.3), with high batching precision and high speed, compact design, land area needed is smaller, low investment high producing efficency, low running cost power consumption is much less the mixing station can be encapsulated, no dust and noise isolated, clean and quiet enviroment production capacity range from 50 to 240 cubic meters of high quality ready-mixed concrete. The main types of plant HZS50K, HZS75K,HZS60A, HZS90A/B/C,HZS120A/B/C,HZS180A/B/C,HZS240A/B/C. We can tailor-manufacture the plants to meet the special demands of clients.