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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

  • Rongda Chemical Co.,Ltd is an export-oriented enterprise specialized inproducing and marketing zinc-based chemical material. which was established in2005,famous by the great performance and reputation in domestic chemical market.