Cast Iron Butterfly ValveWe have CE, ISO9001 ECT CertificateBody: Cast steel, disc and seat seal ring: Stainless steel, shaft: Stainless steel, we can also according your request production.As standart: JIS, ANSI, API, DIN, OEM.more information please check www.xbvalve.netcontact person:Jessicaskype:xbjessicaQQ:287804190email:xbvalvejessica@gmail.com