Agricultural tires including tractors (wheeled, boat, hand-held, micro), cultivators, management machines, harvesters, rice transplanters, weeders, tillers, sprayers, seeders, and farm transport trucks and animal husbandry machines, a total of more than a dozen categories of more than 100 varieties of specifications. Its characteristics are mainly based on the nature of agricultural machinery operations, such as paddy fields, drylands, fruit trees, pasture and other different methods of cultivation, as well as the types of crops and select the use of separate, very complex. Usually, it is divided into three major categories: general-purpose machine tires, special-purpose machine tires and agricultural transporters.