Alkaline galvanizing and zinc-nickel brightener
     
      
     
     
     Alkaline galvanizing and zinc-nickel brightener
     
      
     
     
     It can improve the dispersion performance of alkaline cyanide-free zinc plating solution and make the thickness of the coating in the high and low zone uniform.
     
      
     
     
     Alkaline zinc-nickel alloy complexing agent
     
      
     
     
     Zinc-nickel alloy complexing agent