... . 3.Standard:ANSI,BS,DIN,GB,ISO. 4.15--600mm Flange of good quality1.TUV and ISO 9001 certificates2).DIN/ JIS ... ,ANSI , DIN ,BS4504 ,EN1092, AS2129 3.DN15~~DN6004.Carbon/ forged steel /Stainless steel WN Flange5.Types:Welding Neck Flanges, Slip ... manufacture all kinds of flanges ,such as forged SO flange ,blind flanges and welded neck flange and more as Customer requirements. 8.Delivery ...