Argor Heraeus is one of Switzerland's most prominent precious metals refineries. The company manufactures gold bullion bars for a number of different banks including UBS and Raiffaisen. Argor Heraeus also manufacture the Kinebar, a gold bar with a laser design inscribed on the back, which verifies its authenticity. Argor Heraeus bullion is particularly popular with European investors. Bars are available for secure Swiss storage.