... ,strictly quality control system 4,material:hi chrome alloy concrete plant&asphalt plant arms:We manufacture a wide range ... Bottom Tiles, Mixer bearing spacer/mixing scraperMixer wearing ring concrete mixer plant left truned cross arm Sealing partsmixing arm specifiaction ... 62HRCuseful life:can be produced more than 200000 cubic meter concrete or 300000 tons asphaltmaterial:Hi-chromestandard:CN:KM TB ...