This substance is rare on the earth and difficult to mine and smelt, belonging to the category of rare and precious metals. The content of palladium in the crust is only about 1/6 of platinum, and the total annual output is less than 8% of gold. And only a few countries in the world, such as North America, Russia and South Africa, produce it.
In terms of purity, rarity and durability, it can be replaced by platinum, which has a natural pure white charming luster like platinum and bright color. It is an ideal material for making jewelry and setting gems. Its appearance is also very similar to platinum, but compared with platinum, palladium has some unique physical and chemical characteristics, which makes its jewelry more difficult to process than platinum and requires high requirements for all links. It was once slightly higher than platinum in history.
Palladium, platinum, gold and silver are one of the international precious metal spot and futures trading varieties. It is also a catalyst, and its applications range from petrochemical industry to medical treatment, from automobiles to watches and so on.