With tyre turn to development of radial-ply tyre, tire tubeless and flat direction, it put forward to a new demand to various tyre cord specification, species and structure.

• 摘要随着轮胎向子午化、无内胎化和扁平化方向的发展，对各种轮胎帘子线的规格、品种、结构提出新的要求。