Ouyi is a professional manufacturer for designing & producing ball valves and ball valve spare parts, which was established in 1998. In the last 16 years, we concentrate on offering worldwide customers economical and safety industrial valve solution by continuously improvement on technical and quality

In Oct. 2009, with the order quantity increased sharply, to meet the local and oversea customers’ increasing requirement to our product. OUYI moved its factory to Linshui City and extend its building area more than 26000㎡, the company staff increased to 180 persons, Under such back ground, to keep our product quality on always high level, We added more imported quality control equipment for QC lab. Now our quality control and inspection system is made by spectral analysis, physicochemical experiment, NDT, behavioral simulation experiment. With the professional quality management team operating according to ISO9001, we already executed the full process quality control covered whole producing process which are from raw material purchasing, producing process, completed products inspection, test & tracing to after service. Our target is to sure all OUYI product quality are always higher than customer’s request.