Russian Zijin is a kind of natural gold known as one of the three largest gold in the world, which is mainly distributed in Russia. It is mainly composed of rhodium with high hardness, strong oxidation resistance, excellent wear resistance and fire resistance, so it is widely used in jewelry making.
Cartier is a luxury brand originating from France, which was founded by Louis-Fran ois Cartier in Paris. 1847. They are mainly engaged in the manufacture of watches and clocks and jewelry, and their products cover many fields such as jewelry, watches and clocks, leather goods and fragrance.
So Cartier is a brand, and some of its products are made by Russian Zijin.