... requirment 3,kinds of stypes 4.CE&ISO slip on flangeCarbon Steel flange For forged rings:15000tons/year For ... recerved a good reputation form our customers in the USA,Europe,the UK,Southeast Asia,Korea,Japan,Iran and ... success.Type:welding neck flange,slip on flange,lap joint flange,thread flange,slip on flange,blind flange Material:carbon ... :in-house and the third party manufacturers slip on flange