ONN VALVE.ONN VALVE is a professional valve manufacturer headquartered in Wenzhou, Zhejiang, with a total floor area of 22,000 square meters. The company is well-equipped with over 200 imported machining centers, CNC lathes, large precision vertical lathes, and automated painting lines, among other facilities. It also maintains comprehensive R&D and quality control departments, including non-destructive testing, spectroscopic analysis, physical and chemical testing, and a CAD design center. Its flagship products encompass over 300 series and thousands of specifications, including safety valves, butterfly valves, gate valves, globe valves, ball valves, check valves, power plant valves, and ANSI-standard valves. Designed and manufactured in strict compliance with advanced domestic and international standards such as GB, API, ANSI, and DIN, these valves cover an extremely wide range of nominal diameters, pressures, and temperatures. Available in a variety of materials, they are widely used in the petroleum, chemical, power, and metallurgical industries and exported to many regions worldwide. The company has obtained multiple certifications, including ISO 9001, ISO 14001, Occupational Health and Safety, and the TS Special Equipment Manufacturing License, and is fully accredited.
