Yucheng Yili Machinery Manufacturing Co., an independent design and manufacture of 3Z adjustable type machine is mainly used in land ridge after ridge of farmland farming operations, the machine uses square tube welded integral rigid mechanical frame decorated with angle adjustable round ridging disk, a disk plow made of high quality steel 65Mn, made by heat treatment, it has a reasonable structure, durable, easy to transport, easy to adjust, easy to use and maintain. Model-3Z adjustable soil ridger machine designed and manufactured by Yucheng Yili machinery Co., Ltd is used for making ridge in the field after tillage. The main frame is made of rectangular tube welded together, assembled with the angle adjustable disc ridging unit. The discs are made of qualified 65Mn steel plate with heat treatment. The machine is steady and durable, convenient for transport and easy to adjust, operate and maintenance.