All our products are manufactured by accredited refiners who are regularly subjected to double-blind tests by independent assayers. The bullion bars spend their lives in accredited storage facilities and are transported only by accredited couriers, they are the only form of gold automatically trusted upon receipt by professional buyers. You can be sure that any product you buy from GoldUnion meets high quality standards. Our expert staff inspects everything that comes in and any piece that fails our tests gets pulled from inventory.