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Our product:Long service life, excessive strength and toughness, capable of working for lengthy durations of timeLow elongation and better put on resistanceWith a gentle body and a closer match to the wheel groove, it has quite a lot of applicationsProduct number of tremendous raw materials, removal of faulty products, oil and heat resistance, anti-static, and fine transmission performanceProduct code description:La=outer circumference Lp, Le=nodal length Li=inner circumference