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新供应PA66.8018,70G43L加13玻纤 超韧级塑胶原料
PA66美国杜邦70G33L,71G33L,72G33L,74G33L
70G33HS1L,72G33W,72G33HS1L,77G33L,74G33EHSL ,80G33HSL高强度 玻纤33
