... Speed 20 km/h Tyre Size 6.50-16 Mixing drum thickness 6-8mm Hopper thickness ... standard:ISO90015.2 or 4 wheelsthis is Hydraulic concrete mixer!About Us Yangzhou Zhongjian Construction Machinery Co., ... concrete mixers, JS concrete mixers, PLC concrete batching machines, HZS/HLS concrete mixing stations, LB asphalt mixing stations, WCQ stabilized soil mixing stations, HBT concrete pumps, Concrete mixer ...