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Hello, Here are our purchasing list, pls send your price with certificates Zinc Dust Zinc Oxide - 1314-13-2 pharmacy grade Cerium oxide - 1306-38-3 Industrial Grade Magnesium Oxide - 1309-48-4 industrial grade Polyaluminium Chloride - 1327-41-9 industrial grade GUM ROSIN WW GRADE - 8050-09-7 WW GRADE