At first, it were commonly called
ANSI flange such as ANSI B16.5, but afterward, ANSI was replaced by ASME. ASME B16.5 is relatively mature and widely used, and it is upgraded to the national standard after review by the technical committee.
Today, Hebei Leading, as a group company, is not only manufacturing
hydraulic valve and flanges but also is optimized to meet the needs of our customers with exceptional service and superior quality in flow control industry, such as pipes, pipe fittings, and other kinds of
valves, all of them comply with the international standards and requirements.