JS series concrete mixer is forced type concrete mixer. It is characterized by high intensity mixing with good quality, it has gear reducer for force transmission. Typically, it is used for high strength concrete, and it is also can mix elastic concrete, flow concrete, light aggregate concrete and various mortars. Secondly, it is energy-efficiency machine. It is electric concrete mixer with electric lubrication system and has self-lock for aggregate bucket lifting and centrifugal pump for water feeding. For example, JS500, its mixing motor power is 18.5kw, lifting motor power 5.5kw and its pump motor power 0.75kw. JS series is the best prefer as the mixer in the large concrete batching plant. Thirdly, it is easy to clean and has a long life. Every day,when the work done, the cement can be removed with basic water.