Founded in 1986 and located in Wenzhou, Zhejiang, with a registered capital of RMB 13 million, CQONERO is one of the earliest professional valve manufacturers in the region. Its main products include ball valves and more than 30 series, covering nearly one thousand specifications, manufactured in compliance with GB, ANSI/API, DIN, and other standards. The company implements full closed-loop quality control and holds ISO9001, API, and CE certifications. Its products are sold widely in China as well as in Europe, the Americas, Southeast Asia, and the Middle East, and are extensively used in petroleum, chemical, metallurgy, electric power, water supply, oil transmission, natural gas, and other industries, providing mature solutions across full-series ball valves and general-purpose valves.