Four major salt mines in Yunnan

There are four major salt mines in Yunnan: Kunming Salt Mine, Pu'er Salt Making Branch, Yipinglang Salt Mine, and Qiaohou Salt Mine.

Yunnan salt industry products are all plateau deep mine salt. The salt layer was formed in the Jurassic period 150 million years ago and is buried 500-1,000 meters underground. It is far away from pollution and is the best salt in the country. The first company in the industry to obtain ecological origin protection certification products. The Central Yunnan Salt District is the earliest salt-producing area in Yunnan history. The main production areas are located in Lufeng County and Anning, including Yuanyongjing, Ahujing, Heijing, Anning and other mining areas. By the mid-to-late 1990s, the Central Yunnan Salt Area had become the largest salt-producing area in Yunnan Province.

The salt areas in western Yunnan are mainly distributed in today's Eryuan County, Yunlong County, Lanping County, Dayao County and Lijiang. The more famous salt wells include Yunlong Wujing, Baiyan Well, Laomu Well and Qiaohou Well.

Historical development:

Salt was first produced in the Qing Dynasty. In the eighth year of Xianfeng reign of the Qing Dynasty (1858), Du Wenxiu sent troops to Qiaohou and built two cities in the north and south with Qiaohou River as the center. The north city was called Zao City, with 80 stoves; the south city built salt warehouses and official residences, and the salt production and management areas were It became a system and became the earliest well site built according to plan in Yunnan. In the twelfth year of Tongzhi (1873), Qiaohou Well was transformed into Baiyan Well.

In the fifteenth year of Guangxu (1889), Ambassador Baiyanjingyan moved to Queen Qiao. In 1953, the Yunnan Provincial Salt Administration Bureau set up a branch in Qiaohou, with jurisdiction over four fields: Qiaohou, Misha, Yunlong and Laji. In July 1955, it was changed to Qiaohou Salt Factory. In 1962, it was renamed Qiaohou Salt Mine.

In 1970, vacuum evaporation equipment with an annual output of 50,000 tons was put into production. In 1987, a new vacuum evaporation equipment with an annual output of 50,000 tons was built. In August 2003, it was acquired by Yunnan Salt Chemical Co., Ltd. and established the Qiaohou Salt Mine of Yunnan Salt Chemical Co., Ltd. with an annual production capacity of 70,000 tons of refined salt.

Reference for the above content: Baidu Encyclopedia-Qiaohou Salt Mine