The models for the JS series compulsory twin shaft, reasonable structure, safe and reliable operation. Low energy consumption, good mixing concrete quality, high efficiency, with a single stand-alone and as a complementary host mixing station dual advantages. And can be composed of different models PL series batching machine simple concrete mixing station, or according to user needs as the host composition and medium-sized mixing station (F), can mix dry concrete, lightweight aggregate concrete and all kinds of mortar. Suitable for construction, water, electricity, roads, ports, bridges, airports, ideal for large and medium and medium-sized precast plant construction and commercial concrete production plant currently JS500, JS750, JS1000, JS1500, JS2000, JS3000 and other machines type available.