Salt Bureau Introduction:The well salt industry in Yunnan originated as early as the Qin and Han Dynasties. In 110 BC, salt was produced in what is now Yunlong. There are many salt wells in Yunlong, and the first one mined was Nuodeng Well.
Salt Bureau Introduction:The well salt industry in Yunnan originated as early as the Qin and Han Dynasties. In 110 BC, salt was produced in what is now Yunlong. There are many salt wells in Yunlong, and the first one mined was Nuodeng Well.