Founded in 2008 and located in Wenzhou, Zhejiang, DINGXIN VALVE specializes in the R&D and production of wafer-type check valves, covering mainstream models including H76, H74, and H71. The products comply with Chinese (GB), Japanese (JIS), British (BS), French, and American (ANSI) standards, with non-standard customization also supported. Available materials include 304, 316L, carbon steel, and others, with bore sizes ranging from DN15 to DN1200 mm. These valves are suitable for petroleum, chemical, power stations, construction, papermaking, mining, water conservancy, and other industries. Its main products include general-purpose check valves and a full range of wafer-type check valves, providing reliable solutions for one-way fluid control.