WE COULD MANUFACTURE ALL KINDS OF FLANGE ,INCLUDING CARBON FLANGE AND STAINLESS FLANGE , THE RANGE IS FROM 1/2 INCH TO 160 INCH STANDARD :JIS ,DIN , ANSI /ASTM , .BS, NF THE DETAILS IS FOLLOWING : SOCKET WELDING FLANGE LAP JOINT FLANGE THREAD FLANGE FLAT FLANGE BLIND FLANGE WELDING NET FLANGE ETC. IF YOU ARE INTERESTED IN US , YOU COULD FEEL FREE TO CONTACT US ,WE WOULD REPLY YOU AS SOON AS POSSIBLE . THANKS AND BEST REGARDS