1GQN-110 280 series rotary cultivators manufactured byJiangsu Qinghuai Machinery Co., Ltd. which is divided into round beam and frame on structure, have many advantages such as modern design, reasonable construction, steady performance and reliable quality. Our products received wide praise and enrolled in Purchase Subsidy Inventory of national and provinces for more times. We develop new products (1GQN-130/145/155 rotary cultivators) for meeting market requirement and matching with various new small and middle size tractors, which have wide wheel tread. They can be suitable for tillage and harrow in dry and paddy field, rotary tillage in fertile land, surface tillage in medium and low grade saline and alkaline land, renewed cultivation in new cultivated land and grassland.