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FEP 640 Granulesmfi 1.0-1.8 Synthetic Polymer Resin CAS No. 25067-11-2 Fjp-640 Valve, Find Details and Price about Polymer Resin Supplier HS Code 3904690000 FEP Resin from FEP 640 Granulesmfi 1.0-1.8 Synthetic Polymer Resin CAS No. 25067-11-2 Fjp-640 Valve - Quzhou Qfreon Chemical Co., Ltd.