The 12cbm concrete mixer truck adopts the imported concrete mixer technology. It has features of uniform mixing, fast discharge, low residual rate, etc. The maxing tank is made of special wear-resistant alloy steel. All mixing blades are formed by mold pressing, ensuing accurate helix angle and helix pitch and realizing three-dimensional stirring. It integrates the advantages of similar domestic and foreign products of different brands. It is further optimized. The whole mixing tank is pear-shaped. The diameter and length of each section are reasonably designed so as to realize the largest vehicle space utilization and reasonable layout of the location of the center of gravity. All hydraulic components are imported.