msn:jasasally(at)hotmail(at)com.This is Sally from Shengtai Group Co.,Ltd. Our company is one of the biggest manufacturers for TBR tyres in China, which mainly produces all steel radial tyres.The main products are grouped into eight series and five brands: Three-a, Yatai, Yatong, Shengtai, Aoteli, in total of more than 90 categories, all of which have passed certifications of American DOT, European ECE and Chinese compulsory CCC. And the brand Three-a is famous brand both at home and abroad. Size(tube): 7.50R16; 8.25R16; 8.25R20; 9.00R20; 10.00R20; 11.00R20; 12.00R20; 12R24Size(tubeless): 295/80R22.5; 315/80R22.5; 295/75R22.5; 285/75R24.5 ; 385/65R22.5; 11R22.5; 11R24.5; 12R22.5 We also have many kinds of tread pattern.If you need any size for TBR, wish you could contact with me. Many thanks!We hope your association with Shengtai Group is fruitful and satisfying.