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hot selling sodium sulphide 60% as leather industry

hot selling sodium sulphide 60% as leather industry

    Items   Batch Number:200220         measured value   GB/T10500-2000   HTB/JX Sodium Sulphide (Na2S) Content %≥   60.0   60.0     52.0     60.25   Na2SO3 Content%≤   2.0…