Pipeline s Use 直缝高频不锈钢复合管护栏
　　High-Frequency Longitudindal-seam Steel Pipes
　　GB/T 3092-93 低压流体输送用不锈钢复合管护栏
　　Eletric Welded Steel Pipes for Low-pressure
　　Liquid Transportation Pipeline s Use 直缝高频焊管
　　High-Frequency Longitudindal-seam Steel Pipes
　　GB/T 13793-92 普通流体输送管道用直缝电阻焊钢管
　　Longitudinal-seam Electric Welding Steel
　　Pipes 直缝高频焊管
　　High-Frequency Longitudindal-seam Steel Pipes
　　GB/T 5384-91 普通流体输送管道用直缝电阻焊钢管
　　Longitudinal-seam Resistance Welding Steel
　　Pipes for Common Liquid Transportation Pipelines 直缝高频焊管
　　High-Frequency Longitudindal-seam Steel Pipes
　　注：也可根据用户提出的技术要求组织生产
　　PS Some particular products can be manufactured according to the clients suggestion of technical requirements

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