聚酰胺PA6 供应荷兰帝斯曼PA6 Novamid ES110J 低粘注塑PA6
聚酰胺PA6 供应荷兰帝斯曼PA6 Novamid ES113C 低粘注塑PA6
聚酰胺PA6 供应荷兰帝斯曼PA6 Novamid ST120 NAT 增韧 注塑PA6
聚酰胺PA6 供应荷兰帝斯曼PA6 Novamid ST145 NAT 增韧 注塑PA6
聚酰胺PA6 供应荷兰帝斯曼PA6 Novamid ST220 NAT 增韧 注塑PA6