... " 2) Standard: ISO,DIN, JIS 3) Certification: CE, ISO plate flat welding flangeOur company is a professional pipe fitting manufacture, sowe ... on flange, weld neck flange, plate flange, lap joint flange, blind flange, carbon steel flange, stainless steel flange, alloy steel flangeSizeDN10 ... /ASME, GB, JISPaintingblack, oil, yelloy, znic and so onTechnicsforged plate flat welding flange