Palladium is one of the rarest precious metals in the world, and the element symbol Pd is one of the platinum group elements. Palladium has high purity, similar appearance to platinum, silvery white metallic luster in natural state and never fades. Palladium has high temperature resistance, corrosion resistance, wear resistance and ductility.
In terms of purity, rarity and durability, it can be replaced by platinum, which is an ideal material for making jewelry or inlaying gems alone. Palladium, together with platinum, gold and silver, is one of the international precious metal spot and futures trading varieties, which was once higher than platinum in history.
In addition, palladium is a widely used catalyst, from petrochemical industry to preventive medicine, from automobiles to watches.