Fabricante de flanges de aço inoxidável ANSI B16.5, ASTM A182 304, 304L, 316, 316L, 316Ti, 317L, 310S, 321, 347, 904L, flanges WN, flanges LWN, flanges SW, flanges roscados, flanges cegos, então flanges, flanges de junta sobreposta, flanges de placa, rf, ff, rtj, tf face
- Zhengzhou Huitong Pipeline Equipment Co., Ltd.