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1. sodium sulfite 97%, 96%, 93%, 90%;
2.sodium metabisulfite 96,5%, food grade and industrial grade
3. rongalite lump /powder 98%;
4. sodium carbonate;
5. sodium hydrosulfite 90%, 88%,85%
6. sodium fluosilicate;
7,sodium formate
8. zinc sulphate mono/hepta
9. sodium fluoride
10. heptanaphthenic acid