PROGOLD

Synthetic resins, unprocessed; salts for colouring metal; chemical preparations for facilitating the alloying of metals; salts of precious metals for industrial purposes; metal annealing preparations; mordants for metals; metal tempering preparations; soldering chemicals.;

Alloys of precious metal; ingots of precious metals; precious metals, unwrought or semi-wrought; threads of precious metal [jewellery].;

Metal casting; metal plating; metal tempering; metal treating.;