Palladium is a platinum-based metal. In mineral classification, platinum group metals include palladium, rhodium and platinum. Most of them pass through Huang Jingui, which is a typical "aristocratic family" in metal. Moreover, the international precious metal spot and futures trading market has four major trading varieties: palladium, gold, platinum and silver.

Palladium is similar to platinum in color and appearance, and has metallic luster. Melting point 1555℃, hardness 4-4.5, relative density 12. Lighter than platinum, with strong ductility and slightly harder hardness. Chemical properties are relatively stable, insoluble in organic acids, cold sulfuric acid or hydrochloric acid, soluble in nitric acid and aqua regia, and will not be oxidized and tarnished in the air under normal circumstances.

Palladium is relatively stable and can resist acid corrosion. Palladium has almost no impurities and its purity is extremely high. The purity of palladium is also very suitable for skin, because unlike other metals, palladium does not have allergic reactions to skin. The international jewelry industry began to process palladium and platinum for jewelry and decorative works of art, and gradually formed a fashion trend.

In the world, the seal of palladium and platinum jewelry is or, which is expressed by a few thousandths of purity. For example, the purity of pd900 is 900%, and the specifications of PD platinum jewelry are PD 1000, PD 950 and PD 850. Palladium products of jewelry enjoy the same quality after-sales service as platinum.

Local reference price:

Beijing: 170- 180 yuan/g

Shanghai: 138 yuan/g

Hangzhou: 168 yuan/g

Kunming: 188 yuan/g

Wuhan: 178 yuan/gram