INTRODUCTIONIf coal is compared to subterranean "tungsten alloys", Glauber's salt should be called hypogeal platinum, because the value of utilization and economy brought by exploitation of glauber's salt mine is as plentiful as which brought by coal mine. Glauber's salt industry is an important basal chemical industry and a crucial industrial department of national economy. It supplies raw material and complete consumable for industry, agriculture, transportation, national defense and people's daily life. Through the half-century development, Chinese glauber's salt industry changed a lot. It has had a industrial system with the generative scale and made china the toppest exporter of glauber's salt trade. With the advancement of human society and the improvement of living standard, glauber's salt industry must will become a more and more important part in the construction of national economy.
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