Produsen Flensa Baja Tahan Karat ANSI B16.5, ASTM A182 304, 304L, 316, 316L, 316Ti, 317L, 310S, 321, 347, 904L, flensa WN, flensa LWN, flensa SW, flensa berulir, flensa buta, jadi flensa, flensa sambungan pangkuan, flensa pelat, rf, ff, rtj, tf face
- Zhengzhou Huitong Pipeline Equipment Co., Ltd.