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Good Quality High Purity Industrial Grade 99.9%/99.99% Heptafluoropropane Hfc-227ea FM200 Gas 1000kgs Extinguishing Agent Clean Gas Chemical Fire Extinguishing, Find Details and Price about Hfc-227ea FM200 from Good Quality High Purity Industrial Grade 99.9%/99.99% Heptafluoropropane Hfc-227ea FM200 Gas 1000kgs Extinguishing Agent Clean Gas Chemical Fire Extinguishing - Chengdu Taiyu Industrial Gases Co., Ltd.