Shanxi Kewell Industrial Co.,Ltd produce different standard of flange. such as : Flat Face Flanges, Slip On flange , Welding Neck flange , Blind flange, Threaded flange with ANSI, DIN, EN1092-1, NFE, AS, JIS standard . if you have the requirement for them, Please contact us : sx.kewell (at )yahoo.cn .
flange