Dupont 70g30hslr bk505加纤30%耐水解pa66 ¥26.50 Dupont PA66 70G30HSLR尼龙材料价格 ¥26.50 耐水解70G30HSLR 热稳定70G30HSLR PA66-70G30HSLR ¥27.40 深圳杜邦PA66 70G30HSLR美国杜邦70G30HSLR BK505 ¥24.00 PC基础***(南沙)943A-116 透明抗紫外线943A-116 ¥20.80 PC基础***(南沙)945A-116 阻燃抗紫外线945A-116 ¥21.00