Hebei Xingu Flange Co., Ltd. Founed in 2007. We professionally export, design, produce and sell ... flange, such as ANSI/ASME, MSS, Hebei Xingu Flange Co., Ltd. Founed in 2007. We professionally export, design, produce and sell ... , our products are exported to Europe, United States, the Middle East, Africa, South-East Asia regions and other countries. carbon steel flange