... -22m3/h power:18.5kw high output 25m3/h JS500 portable concrete mixer JS500 concrete mixer is of double horizontal axis forced type which ... is OK)into the concrete mixer,operate the mixer,run 60 seconds or so(it is suitable for JS500),then stop,The concrete ... ,JS2400 ETC,welcome you contact me~~~~ high output 25m3/h JS500 portable concrete mixer