... . Standard: DIN, ANSI/ASME B16.5, GOST, EN1092-1, HG, UNI, JIS, NFE, GB, BS... 2. Material: 1.4301, 1.4307 ... , TF, LJ, SO, BL, PL... 4. Face type: RF, FF, RTJ... We are specialized in the forged flange. Our annual production comes ... to 5000 tons of the stainless steel flanges, duplex flange and alloy steel flange, which can be used in pharmacy, tube, pipe ...