Founded in 2018 and located in Wenzhou, Zhejiang, DOSOV specializes in the R&D and custom manufacturing of high-stability butterfly valves. The facility is equipped with high-precision CNC lathes, machining centers, and full-process testing equipment, ensuring the precision of core components and operational stability. Its products are widely used in electric power, petrochemicals, coal chemicals, metallurgy, hydropower, papermaking, printing and dyeing, light industry, and other sectors. The core product line includes high-performance double-offset and triple-offset series, covering wafer, lug, flanged, high-pressure, and other configurations, providing high-reliability butterfly valve solutions for fluid control across diverse operating conditions.