... Stainless steel flange and carbon steel flange 2) Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, Kaiertong's flange is made in ... . specifications, material of high quality forged steel flange.Our Our flange production base is in Shaanxi province Dingxiang county. ... Features:1) Stainless steel flange and carbon steel flange 2) Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, BS ...