Sodium Hydrosulphide, Caustic Soda, Sodium Metabisulphite, Sodium Sulfide...ect,which include Sodium Sulfide Red Flake,  Low Iron Sudium Sulfide, Super Low Iron Sodium Sulfide, Crystal Sodium Sulfide, Sodium Sulfide Anhydrate...ect.The specification is 1500ppm, 150ppm, 80ppm, 50ppm, 30ppm, 15ppm, 10ppm and 20ppm. 90%Of our products have been exported to AUSTRALIA, OUTHEAST ASIA, AFRICA, WEST EUROP, ect.

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