... class: 150 - 2, 500lbs Type: SO flange, WN flange,SW flange, blind flange, plate flange type:welding neck ... flange,blind flange,socket welding flange,plate flange.standard;ANSI,DIN,BJ,JIS,UNI,GB,AWWA and ... own factory,which can produce different kinds of flanges according to customer's drawings.We have got ... in 2005.We will offer the best quality flanges with favorable price on the basis of equality and ...