The document describes several automatic wall plastering machines manufactured by ChengGong, including the DaNiu 2.0, CGZN-110SE, CGZN-110S, and CGZN-110 models. These machines are designed to significantly increase productivity of plastering and rendering work, reducing required manual labor by up to 80%. Key features include smooth and crack-free plastering at heights up to 3.5 meters, intelligent PLC control systems, and rendering thicknesses ranging from 0.2 to 3.5 cm. ChengGong offers these machines for efficient and high quality plastering applications.