Industrial chemicals; chemicals for use in plating; chemical agents for metal surface cleaning; etching solution; etchant for etching the surface of resin; permanganate etching solution; catalysts for use in chemical processes; surface treatment agent for electroless plating layers on plastics; plating solution; plating solution additive; plating additives; electroplating and electroless plating chemicals, namely, copper, nickel, chrome, silver, gold, cobalt, tin, aluminum, palladium, tungste...