四川省芒硝矿是我国首创用峒室水溶采矿法开采钙芒硝矿床生产元明粉的化工矿山企业。1980年投产时生产能力仅6000t,技术水平低,成本高。由于狠抓技术进步,11年来生产能力年均增长40％,近3年年上交税利平均在400万元以上。 Glauber’s salt mine in Sichuan Province is the first chemical mine enterprise in China that uses sodium silicate mining method to produce Glauber’s salt mine. Put into operation in 1980 when the production capacity of only 6000t, low level of technology, high cost. As pay close attention to technological progress, 11 years of annual growth of 40% in production capacity, the past three years, the annual tax paid profits in more than 4 million yuan.