ANSI B16.5 Dèanadair flanges stàilinn Nickel alloy, flanges monel, flanges inconel, flanges incoloy, flanges hastelloy, flanges WN, flanges LWN, flanges SW, flanges snàthaichte, flanges dall, mar sin flanges, flanges lap joint, flanges truinnsear, rf, ff, Hutj, tf face
ong - Zhenge Pipe Ltd.