In recent days, the triangulated run-flat tires have achieved breakthrough results in performance optimization, and the airless durability test time has exceeded four times the European standard. Safety tires are also called "zero-pressure tires" and are used by the industry as literally "run- flat tires ." After the ordinary tire was thorned by a foreign object, it first leaked quickly, and then the sidewall collapsed. The bead detached from the rim, but the tire was unable to continue driving, and the vehicle was overturned. In contrast, after being struck, safety tires do not leak or leak very slowly. They can maintain the running profile and the bead is still fixed on the rim, thus ensuring that the car can be stable for a long time or temporarily. After the car is equipped with such tires, not only is the safety performance greatly improved, but it is no longer necessary to carry spare tires. It is reported that since the beginning of 2010, Trigonometric Technology has researched run-flat tire design and production technology, tires have no pneumatic durability test to meet the requirements of the relevant standards, and in 2014 they increased research efforts to set up a performance optimization project team to adopt advanced advanced support adhesive formulas. The formula research and development theory has achieved a major breakthrough in the durability of air-free durability. At present, the tricycle run-flat tires have reached the international advanced level.
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