Mixer body generally consists of a frame, mixed (and return) cylinder parts, moving parts and guides, and other auxiliary devices. Assistive devices are added according to the demand, such as ejecting device, punching device, sliding table, heating devices, etc. Process is the most important factor affecting the mixer body structure, because the mixers finished on a variety of technology, mixer body structure must be varied. Forms from the rack, there are vertical and horizontal; composition from the rack, beams and modular, single column, frame, wire-wound prestressed arch, such as cylindrical and reinforced concrete casting.