石油钢管Petroleum steel pipes 废钢加工和处理Scrap steel processing and disposal ..
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华锐石油钢管有限公司 Faray Petroleum Steel Pipe Co., Ltd
石油裂化用钢管 steel tubes for petroleum cracking
ERW石油套管钢 ERW oil casing steel
石油管线钢 steel for petrolem pipeline
我公司提供不同钢级、多种规格的ERW石油钢管。
Our company can provide various steel grade and specification ERW oil pipes.
北美石油和天然气行业对钢管的需求比较强劲，但监管机构将调查研究，以决定此项收购是否对能源安全产生影响。
Demand is strong for steel piping in the North American oil and gas industry, but regulators will study the deal to see if there are any implications for energy security.
简要介绍了石油天然气输送用管线钢管的种类及其特点。
It introduces characteristic and kinds of line pipe for petroleum and natural gas transmission.
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