L1聚氨保冷托L2LYDJ酯PIR聚异氰脲酸酯保冷管托滑动管保冷支架
¥414
PIR保冷管壳聚异氰脲酸酯三异聚氰酸酯耐寒LNG管道聚氨酯保温瓦壳
¥135.4
L1聚氨酯保冷管托 L2L3PIR聚异氰脲酸酯保冷管托 滑动保冷支架
¥211.5L1聚氨酯保冷管托 L2L3PIR聚异氰脲酸酯保冷管托 滑动保冷支架
¥211.5L1聚氨酯保冷管托 L2L3PIR聚异氰脲酸酯保冷管托 滑动保冷支架
¥211.5
LNG用PIR保冷管壳 聚异氰脲酸酯材料 三聚脂保冷管壳 聚氨酯管托
¥74
长促L1标准保冷管托 L2L3PIR聚异氰脲酸酯保冷管托滑动聚氨酯保冷
¥277.39
PIR聚异氰脲酸酯泡沫板样品聚氨酯硬泡保温板样品
¥154.6
PIR聚异氰脲酸酯泡沫板样品聚氨酯硬泡保温板样品
¥154.6
PIR聚异氰脲酸酯泡沫板样品聚氨酯硬泡保温板样品
¥154.6
PIR聚异氰脲酸酯泡沫板样品聚氨酯硬泡保温板样品
¥154.6
聚异氰脲酸酯保温板硬泡聚氨酯发泡保温板PR聚氨酯保温板现货
¥218