My company for a well-known large tire enterprises, 445/50 of the listed company development R22.5 specifications wide tires, recently after endurance test, run after 150 hours, are not damaged tires, run a single set limit to the company.

   The wide - base tire has wide section width, low flat rate, high difficulty in design and process control, and durability has been a bottleneck in the design and production of tire industry at home and abroad. The wide base tire design, through optimizing tire shoulder material distribution, the use of special belt beam layer structure, optimized the tire body and layer with bunch of cord stretching, overcome the wide base tyres liable to occur during endurance test shoulder empty, critical problems, made breakthrough progress. Our design and development of 445/50r22. 5 specifications wide base tire durability test results, compared with domestic and foreign tire test results, is in the industry-leading level.