Introduction to the Couple of Life Exhibition Hall: The Couple of Life exhibition hall shows visitors the important role salt plays in human daily life: in ancient Chinese classics, salt is given the title of "the life of the people" and "the great treasure of the country" It not only supports human life due to its specific effects, but also creates a great Chinese food country with famous dishes. Its heavy salt profit also guarantees the operation of the country. Thousands of years have passed, and science and technology are developing at a rapid pace. However, people have not yet found a substance that can replace salt. Table salt still ranks first in seasoning. Industrial salt, as the mother of chlor-alkali chemical industry, has become an important ingredient in glass, ceramics, electronics, aerospace, oil drilling and other industries. important raw materials.