Recently, China's first 59/80R63 size of all-steel ultra-big OTR radial tyre, fully China-designed by Beijing Research & Design Institute of Rubber Industry, has been rolled off the production line in Fujian Hai'an Rubber Co.,Ltd..
The tyre is the biggest size in the world, 4.03 meters of diameter, 5.8 tons of quality, which helps China to be the third country to own ability to produce ultra-big OTR radial tyre now.
Since 2007,Beijing Research & Design Institute of Rubber Industry has cooperated with Fujian Hai'an Rubber Co.,Ltd. to develop full-steel giant OTR radial tyres, which has completed ten sizes:27.00R49、30.00R51、33.00R51、36.00R51、37.00R57、40.00R57、46/90R57、50/80R57、53/80R63、59/80R63.
