北京矿泉水勘察鉴定中心和地质矿产部水文地质工程地质编辑部受长春铁路分局给水电力段委托,在吉林省四平市平东地区进行了矿泉水水文地质调查工作。于前人研究程度的基础上,收集有关资料,进行现场勘察,取样分析化验,最后确认平东七号井水质已达到即将颁布的国家饮用天然矿泉水水质标准,并于1987年9月28日在北京通过了国家 Beijing Mineral Water Investigation and Certification Center and Geology and Mineral Resources Department of Hydrogeology and Engineering Geology editorial department commissioned by the Changchun Railway Branch water and electricity segment commissioned in Pingdong, Siping City, Jilin Province, conducted a hydrogeological geological survey. On the basis of previous studies, we collected relevant information, carried out on-the-spot investigation, sampling and analysis, and finally confirmed that the water quality of Pingdong No.7 well reached the soon to be promulgated national drinking water quality standard for mineral water. On September 28, 1987 In Beijing passed the country