ANSI B16.5 Proizvajalec prirobnic iz nerjavečega jekla, ASTM A182 304, 304L, 316, 316L, 316TI, 317L, 310S, 321, 347, 904L, Wn Flanges, flanges, swn Flanges, smiselne flange, slepe, slepa FF, RTJ, TF Face
- Zhengzhou Huitong Pipeline Equipment Co., Ltd.