International recognition is also very high. Huang Huali has a long history and has been favored by the royal family since ancient times. It is considered as a precious wood. In the TOP 10 list of classical furniture transactions, Huang Huali furniture fully occupied 8 seats. In nature, there are many green gems, but emeralds that can reach king green are very rare in nature. In addition, in the jade industry, king green has always been considered as the best color in jade. Therefore, the emerald belongs to the best among emeralds.