Heilongjiang Agricultural Reclamation Hengyun Agricultural Machinery Manufacturing Co., Ltd. specializes in the production of hydraulic tiller, rotary tiller, subsoiler, water, dry farmland plough, according to the soil structure and resistance in Northeast China. Based on the design of domestic and foreign production technology, the products are all hooked plough column (patent No. 2011202183225). It is characterized by simple structure, strong and durable, traction and suspension convenient tr