china chem co. ltd, having the advantage of chemical resources in china, is the biggest subsidiary of china national chemical supply and sales group corporation.there is high quality hydrofluoric acid(hf) with various kinds of specification to export. the product is refilled in the polythene plastic drum, which should be treated as grade a inorganic acid corrosive goods during its transportation..of course,we can also fill it on consumers`requests. molecular formula:hf; cas no:7664-39-3

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