Yes By 2023, Yanjing District of Zigong City will remain one of the important salt producing areas in Zigong City. Zigong Yanjing is located in Zigong District. Zigong saltworks began to take shape and became famous throughout Sichuan in the Tang and Song Dynasties. During the Ming and Qing Dynasties, it further developed and became the salt industry center of Sichuan. In 2023, it will remain the largest well, ore and salt production base in China.