ANSI B16.5 Mtengenezaji wa chuma cha pua, ASTM A182 304, 304L, 316, 316L, 316ti, 317l, 310s, 321, 347, 904l, wn flanges, lwn flanges, sw flanges, flanges, blind flanges, lwn flanges, sw flanges, flanges, blind flanges, lwn flanges, sw flanges, flanges, blind flanges, lwn flanges, sW ff, rtj, tf uso
- Zhengzhou Huitong Bomba Vifaa vya Bomba Co, Ltd.