I fully agree with Mr Del Sordo. Dental technician...

I fully agree with Mr Del Sordo. Dental technicians goldsmiths attention! Norphone Production RTC works in a non-transparent and very doubtful way. The same type of auriferous powders refined in Valenza usually give a title of pure gold from 3 to 5%, with them they gave a title of 0.04. Go elsewhere.