05-24
NEWS
05-12
How to avoid accidents caused by flange leakage in petrochemical plants?
05-10
Harmful factors of welding materials. What should we pay attention to when using welding materials?
05-08
Relationship between welding speed and weld quality
05-04
Flange types - Flange with neck butt welding WN FLANGE and sealing surface types
04-19
Introduction to standard and non-standard threads
04-17
Selection of welding materials
04-14
Analysis of the causes of bolt breakage
04-13
Welding methods and techniques for small-diameter pipe
04-10
Types of large size seamless pipe fitting forming technology
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Tel: +86 157 2731 7311
Tel: +86 157 2731 7311
E-mail: sales@whsteelfittings.com
Factory Add:Zhenggang Industrial Park, Yanshan County, Cangzhou City Hebei Province, China.




Tel: +86 157 2731 7311
Tel: +86 157 2731 7311
E-mail: sales@whsteelfittings.com
Office Add:No.8013 FuHuaHongYan Building,HongYan South road,Chaoyang District ,Beijing ,P.R.CHINA
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