... Twin shaft mixer 1.Discharging volume:500L. 2.Charging volume:800L. 3.Productivity:25cbm/h. 4.ISO9001-2008/CE/3C JS500 is twin shaft ... compulsory concrete mixer, which can mix subarid rigid concrete, plasticility concrete ... bridge, airports, tunnels and other projects.This model concrete mixer is designed reasonable, compact structure, easy to operate and ...