JS Double-Forced Shafts Concrete Mixer which has these advantages:stand-alone work, composed of simple concrete mixing plant with batching machine, and supports matching machine with mixs plantThe concrete mixer is the advanced, ideal type at home and abroad. Good mixing quality, high automation and efficiency, low energy consumption and noise as well as easy operation are the advantages of it. Besides, it also has the strengths of high speed of discharging, long service life of liner and blades and easy maintenance. It applies for the mix of plastic concrete, dry concrete, light weight aggregate concrete and different mortars. Motorized discharge port is applied in the machine, which makes it could be matched with dump car. So it is the ideal machine for construction site and prefabrication.