Xi 'an Ya 'ao Agricultural Machinery Co., LTD, founded in 1976, is a modern enterprise specializing in the research, development, production and sales of tillage machines and tools. Company can produce and 20-300 horsepower tractors matching rotary cultivator, multi-function variable speed rotary cultivator, biaxial stubble rotary cultivator, deep loosening machine, deep loosening soil preparation joint rig, paddy field mixing slurry burying stubble machine, rotary sowing machinery, no-till planter, maize precise fertilization seeder, rice planter, rape seed drill, peanut planter and intertillage ridging fertilizer applicator 13 big series 120 models of 50000 sets of products. Invented the world's first rotary sow fertilizer applicator, the first domestic multi-function variable speed rotary tiller, the middle transmission offset no-leak stubble double-axis stubble tiller.The products have accumulated more than 70 national patent technologies, such as variable speed rotary tiller, multi-function swing knife. After more than 40 years of accumulation and development, the product has achieved a person without me, people have me.Adhere to the "always create first-class, product is character, inner is my heart, outer is the quality of my face principle.Due to its wide range of supporting products, good quality, full functions and high efficiency, the products are sold well in 27 provinces, municipalities and autonomous regions in China, and are exported to Mexico, Russia, Zambia and other countries. In 1991, the rotary fertilization machine was given to Mexico by former President Yang Shangkun as a national gift.The whole series of products have been promoted to the whole country by the Ministry of Agriculture and Rural Affairs.