The first Giant All-steel Radial Engineering Tyre of China – 36.00R51 (Overall Diameter: 3230mm, Diameter of Wheel Rim: 1300mm, Wight: 3100kg, Diameter of Body Steel Wire: 4.84mm, which is used for loading 170 tons large-scale mine haulage vehicles) successfully rolled off the production line in Haohua South China (Guilin) Rubber Co., Ltd at 4:50 am on December 22, 2007. It is the National Science and Technology Support Project. The company independent research and development of it, holds Independent Intellectual Property and a number of Patent Technologies will fill the domestic gap.