玲珑轮胎：公司与道恩股份合作开发的DVA材料是一种用于轮胎气密层的新型高性能动态硫化合金材料

Group 1 - The company is collaborating with Daon to develop a new high-performance dynamic vulcanized alloy material called DVA, which is used for tire airtight layers [1] - The DVA material can achieve airtightness that is 7-10 times better than traditional materials, significantly reducing rolling resistance and tire weight [1] - The advancements in DVA material are expected to enhance fuel efficiency for traditional vehicles and extend the range for new energy vehicles [1]