The Hengyang Hengtuo Farm Machinery Manufacture Co is located in Hengyang, Hunan, China. It manufactures tractors and implements under the Hengyang, Hunan and NanYue brands, but mainly NanYue. The company was founded in 1954 as the Hengyang Tractor Factory. Some of its products are sold to re-sellers who apply their own brand name to the tractor. The tractors have been sold to various countries around the world, including the USA, under the Task Master and other brands.