A carbon steel butt weld flange refers to a flange with a neck that is butt welded to the pipe.
Recently order to Netherlands had inspected by SGS.
according to Chemical industry standards: The overall flange (IF), threaded flange (TH), plate flat ...
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China has the confidence and capability to win the battle on the prevention and control of the pneum...
Through the complete production process and strict quality control, key data is collected during the...