High quality forged carbon steel Welding Neck WN flanges
welding neck flanges made in A105 , A105N material,used for pipeline and fastener.Size range:1/2"-120". standard :ASME B16.5 B16.47 ,AWWA BS3293 . The company is appreciated by the major international clients worldwide and its flanges and forged components are part of the main oil & gas projects.
Technical consultancy, highly quality products, both standard and special ones, service excellence are the key factors highlighting the Baolongda activities.
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