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Datasea Inc is a development stage company engaged in Internet security products. Its offers service and products such as Internet Security Equipment, New Media Advertising Service, Micro Marketing Service, Internet Service Provider (ISP) Connecting Service, Big Data Processing Service. The business activity of the group functions through China.
Enservco Corp operates in the oil and gas industry. It offers well enhancement and fluid management services to the domestic onshore oil and natural gas industry. The services include frac water heating, hot oiling, pressure testing, acidizing, bacteria and scale treatment, freshwater and saltwater hauling, fluid disposal, frac tank rental, well site construction, and other general oil field services. The company's reportable business segments are Production Services and Completion and Other Services, which derives maximum revenue. It operates in geographically diverse regions of the United States.