日韩精品一区二区三区在线观看,亚洲一卡二卡三卡四卡无卡麻豆 ,女厕脱裤撒尿大全视频,中国免费XXXXXL17

LocationHome > Polyamide return
  • Service Tel
  • 0512-52551712

Concept

? It is a general term for polymers containing repeated amide groups on the main chain of the molecule when they are used as fibers. It is called nylon or nylon internationally.

? Good water and wind resistance, high wear resistance, strength, elasticity and colorability.

Characteristics

? High strength and elastic recovery ability

? Hygroscopic

? Thermal Properties