PA66尼龙66颗粒，含30%的GFPA66 Nylon 66 Granule With GF 30% 含GF 30%的PA66尼龙66颗粒 含GF 30%的PA66尼龙66颗粒尼龙颗粒聚酰胺66中国供应商PA66含5%-60%玻璃纤维的颗粒
