... 2.Full automatic and skip hoist 3.High efficientcy. 4.Long working life. 5. ... CE/3C JS500 is twin shaft compulsory concrete mixer, which can mix subarid rigid concrete, plasticility ... airports, tunnels and other projects.This model concrete mixer is designed reasonable, compact structure, easy to operate ... many advantages such as good mixing quality, high productivity, low energy consumption, low noise, ...