耐磨尼龙PA/PA6/PA66Wear-resistant Nylon PA/PA6/PA66 耐磨尼龙PA/PA6/PA66 产品:耐磨尼龙PA/PA6/PA66 等级:注射/挤压/纤维级等 类型:原生/回收/劣质 联系人:Tina Lin