Ultramid A3WG10 BK00564 工业应用PA66料 ¥40.00 Ultramid A3WG10 CR BK00564 聚酰胺PA66料 ¥41.00 Ultramid A3WG10 可耐油性PA66料 ¥42.00 Ultramid A3WG3 BK00564 可耐热性PA66料 ¥41.00 Ultramid A3WG4 德国Basf原材料 ¥41.00 Ultramid A3WG5 BK00564 耐热性PA66料 ¥41.00