We main make butyl inner tube,agriculture natural inner tube,heavy track inner tube,track inner tube, with high quality and reasonable price,the tensile strength is 9.5 , many sizes :500-8,6.00-9,
700-9,650-10,700-12,825-12,825-15,28*9-15.....also we can according to customers'  request  to
production.we will suply the sample ,if u like.please don't hesitate to contact us.