Suyanjing, the largest salt mine in the world.

Does the subject want to ask "What are the characteristics of Sophie Su Jingshen, the world's largest salt mine"? Low cost, easy processing and rich varieties.

1, low cost: Suyanjing Shen Yan Salt Mine has shallow salt layer, large reserves and high grade, which is suitable for modern mechanized mining and low salt mining cost.

2. Conducive to processing: the mining area is located in the famous Gobi Desert, with dry climate, strong ultraviolet rays and long sunshine time, which is conducive to the evaporation of industrial salt.

3. Variety: There are many kinds of products with large output. In addition to raw salt, there are many categories such as fine washing powder salt, glass salt and animal husbandry salt.