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Sodium sulfate (anhydrous sodium sulfate, anhydrous glauber salt) and basic protease are widely used in synthetic washing powder, vinylon, sodium silicate, blanch and dye, dyes, assistants, glass, papermaking, tanning, corrosion protection of oil & gas pipe line, metal smelting, surface treatment, fillings and so on. The packing of sodium sulfate : packed with the plastics inside and the fiber outside and usually 50kg each one . 25kg each, 1000kg each ,50kg each ton bag, and 25kg each ton bag and so on can be made to order. Basic protease is packed with the plastics inside and the fiber outside and the paper box of 25kg each.