... ,ship building,paper making,metallurgy,construction /water supply and sewage work Flange Facing TypesRaised Face, Flat Face, Ring Type Joint, ... & Groove CertificationISO 9001:2008 ISO 14001:2004 All the product pictures on our website just showing our capability and ranges. We ... .Software for specification drawings: Pro/E, Auto CAD, solid work 2001,CAXA,UG,CAD,CAM3.Certificates: ISO 9001:2000, ISO ...