forged steel flanges according to DIN and EN1092-1 standard in material A105 , C22.8 .ST37.2 RST37.2 ,S235JRG,S235JR,ST37.The company is appreciated by the major international clients worldwide and its flanges and  forged components are part of the main oil & gas projects.

Technical consultancy, highly quality products, both standard and special ones, service excellence are the key factors highlighting the Baolongda  activities.