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HOLIDE MATERIAL ENTERPRISE CO.LTD is a hi-tech private enterprise specializing in the research, development & production including PCB etching chemical , iron plating chemicals and detergents.Our products are:sodium persulphate,potassium persulphate,ammonium persulphate,Sodium hypophosphite, Tetrakis(hydroxymethyl)phosphonium chloride (THPC) ,Tetrakis(hydroxymethyl)phosphonium chloride-urea (THPC-UREA), Tetrakis(Hydroxymethyl)Phosphonium Sulfate (THPS), xanthan gum,folic acid,sodium carboxymethyl cellulose....