Shanghai Jade Identification Center is one of the largest jewelry and jade detection stations in Chinese mainland, with its headquarters in Shanghai. The center has a modern jewelry and jade testing laboratory and advanced testing equipment, which can test and evaluate the quality, color, density, luster and hardness of all kinds of jewelry and jade, including diamonds, rubies, sapphires, emeralds, jadeites, amphiboles, calcites, potash feldspar and albite.