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27.02.2026

Online Welding Process Monitoring Technologies for Large-Diameter Thick-Wall Spiral Steel Water Pipes

Abstract Spiral steel pipes are extensively used in water conveyance projects, and welding quality directly influences the operational safety of pipelines. Drawing on engineering practice, this paper...
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ISO 9001:2008 Certificate
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ISO 9001:2008 Certificate
Description
 Model No.: CN06/01941
Provision of export services of pipeline equipments, including valves, pipes, fittings and flanges.
Certificate Standard: ISO 9001:2008.
Number: CN06/01941.
Valid:24-Nov-2015 to 15-Sep-2018.
Issued By: SGS.