Standard:SWN.SO.PL.BL.TH flanges. JIS DIN,ANSI.BS.GOST.UNI.GB. Certificate: China Classification Aociety,KSCETIFICATE API
Jis 5kg-30kg SO welding steel pipe flanges.
Forged flange ASTM A105 ANSI 16.9
DIN 2573/2576/2543/2544 SO flange,2572 blind flange.2631//2633/2632/2634 welding neck flange and other carbon steel cast flanges,forged flanges,stainless flanges
over 98% of all the products can meet the quality standard in one time examination after production,every piece of the products has met the production qualification when it departs the factory.
Type:WN.SO.PL.BL.TH flanges
Standards:JIS.DIN.ABSI.BS.GOST.UNI.GB and so on.
Certificate: China classification society,Kscetificate.Manufactyre license of special equipment people's republish of china, china classification society certification company ISO9001-2000 Certificate.SPI Certificate.
stainless stell integral pipe flange
