TradeVerifyWe are the largest caustic soda manufacturer in China with 80,000 tons annual output, not only professional in manufacturing caustic soda pearls and flakes, but also good at transporting, storing and using this product.Besides, we can provide many kinds of packagings, also give you the professional and excellent service.Assay: 99%MinNa2CO3: 0.6%MaxNaCl: 0.06%MaxFe: 10 ppm Max25kg PP woven bag as normal one, 25kg/50lb kraft paper bag, 25kg poly bag, 1mt supersacks and all kinds of drums are also available.