... ,JIS,GB carbon steel flange DIN 2502 1) Production name:flat flange, welding neck flange, slip-on flange, socket welding flange, blind flange.2) Size range:1 ... ,JIS,BS,ISO,GOST,HG,GB,SH,ETC 5) CE and certification:ISO9001-2000,BV,SGS,LOYID 6) Application range: petroleum ... , pallet, and other package suitable storage and shipmentwell. 14) Payment:: T/T or L/C or other way. carbon steel flange DIN 2502 ...