... shaft forced mixing system 2.Full automatic and skip hoist 3.High efficientcy. 4.Long working life. 5.ISO/CE/3C ... is durable and easy to replace. Once JS500 concrete mixer is combined with various models batching machine, batching plant will come into ... , road, bridge, airports, tunnels and other projects.This model concrete mixer is designed reasonable, compact structure, easy to operate and work ...