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PA66工程塑料材料PA66 Engineering Plastic Material1 × ¥1.00
POM塑料树脂每吨价格POM Plastic Resins Price Per Ton1 × ¥1.00
塑料颗粒电器元件聚酰胺pa66碳纤维增强塑料尼龙66汽车冰箱原材料Plastic granules Electrical components polyamide pa66 carbon fiber reinforced plastic nylon 66 raw materials for auto fridge1 × ¥1.00
PA612树脂PA612 Resin1 × ¥1.00