JS series concrete mixer is double horizontal shaft forced type concrete mixer, the machine has the double superiority: stand-alone work and with PLD series concrete batching machine composed simple type concrete mixing plant, also can provide supporting host for concrete mixing plant, applies to all kinds of large, middle, and small prefabricated units factory and the highway, the bridge, the water conservancy, the wharf and so on industrial and the civil construction engineering, can mixing dry concrete, plastic concrete, liquidity concrete, light aggregate concrete and the various mortar, is a efficient model, application very broad.