In Sep 2006, we successfully supplied 16" spool piece (A694 F52 swivel ring flanges & WN flanges,etc.) for Nanhai Xijiang 23-1 & WenChang 19-1/15-1/14-3/8-3 projects. Those products are completely comply with NORSOK L-005 and are grooved with Inconel 625 cladding with thickness of 3mm.