... although other obscure styles are possible.Flange designs are available as “ welding neck”, slip-on”, “boss””lap ... joint”, “ socket weld”, “threaded” and also “blind”.We export to America, Canada, Germany, Spain,nertherland ,Russia ... Taiwan,so on.And we won praise and trust from customers. We can also manufacture special application ... as customers request. We can produce high quality and best price Flange ...