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PBN讯4月7日,笔者从长城钻探昆山公司获悉:这个公司自主研发的压裂液在美国、加拿大等国际高端市场实现规模销售,全球高端市场占有率超
PBN News April 7, the author learned from the Great Wall Drilling Kunshan: The company independently developed fracturing fluid in the United States, Canada and other international high-end market to achieve large-scale sales, the global high-end market share of ultra-high