The long and high neck flanges produced by our company are made of forged blanks with machining technology. Products are widely used in oil and gas industry, water supply engineering, chemical industry and other industries.
Implementation standards: HG/T20615-2009, ASME B 16.5 and the latest implementation standards
Hebei Longsheng Pipeline Equipment Co., Ltd. can help you solve all the problems above the pipeline, if necessary, you can contact us directly, connect you and me with the pipeline, casting friendship by quality.