Tianjin oriental international trad

we export sodium hydrosulphide /sodium sulphide/sodium fomate/ fomic acid/ caustic soda/ sodium persulphate/ potassium persulphate/ ammonium persulphate/ calcium chloride.

• 
  Sodium hydrosulphide 70%
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• 
  Fomic acid
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• 
  Sodium sulphide
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