CORA REFINING has been providing refining services for the dental industry for over 35 years, assaying gold, palladium and silver. The company provides clients with consistent, accurate results for every lot. Benefits include an easy-to-read assay report and a low, flat-fee price schedule. To protect against market volatility, it offers the option to lock in a price. Cora supplies free shipping materials as well as free insured shipping.