Hyupshin Flanges Co., supply ANSI B16.5 slip on SORF flanges, welded neck WNRF flanges, Blank Blind BLRF flanges, lap joint LJ flanges, socket weld SW flanges RF, threaded screwed NPT flanges, backing ring BR flanges hot galvanize zinc for HDPE flanges, size 1/2" to 24", steel ASTM A105 A350LF A181 F11 A182 F304 F316 carbon steel stainless steel flanges, certificate API ASME EN10204 3.1 certificate, buy flanges contact Hyupshin.
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