Refrigerated truck is the advantageous product of Shandong CIMC Jinan Branch. On the basis of fully borrowing and absorbing German technology, Shandong CIMC uses the advanced technology and equipment of German Kogel refrigerated trucks, and has developed the new technology of fully-closed plate bonding structure, the molding process of polyester sandwich panel made by "wet-wet" method with high pressure, and the new technology of green environmental protection compartment made by polymer composites, and the new technology of special automobile compartment made by polymer composites. Special-purpose vehicle compartments new technology, new technology for quick-exchange container trucks and a series of new technologies and new technologies, and a number of technologies and products have been awarded national patents, so that the technical performance of the compartment products in the international advanced level and the leading position in the country.