Introduction to Yonglong Hao: Pingyao lacquerware began in the Kaiyuan period of the Tang Dynasty and flourished in the Ming and Qing Dynasties. It has a history of 1,200 years. It is one of the four major lacquer arts in China. It has always been a famous product in the three Jin Dynasties and the first of the three treasures of Pingyao. , has won many national gold and silver awards.