The ONERO found in 1986,located in the national front of reform and opening-up-Oubei Town,which has the praise of "China Pump an Valve Town"of Wenzhou Small Pudong". ONERO is an earlier professional factory of Wenzhou area in producing valves.Since factory establishment,"ONERO"people have drevoted to professional resear ching,developing and producing balve with great concentrtion.At the same time,the people have drawn domestic and international advanced technology constantly,and made multiple improvement on the inside structure and appeatance of valve to develop a series of new products showing unique characteristics according to the production practices for many years.At present,the products have already been up to more than 30 rypes and about a thousand kinds of specifications.All the time,"ONERO"people pay attention toscience and people first ,and regard quality xontrol as first goal,The people invest a large amount of manpower,material resources to perfect and improve our quality assurance system constantly.Passing international quality system authentication,such as ISO9001,API,CE,etc,in recent years,which makes the enterprises be in the lead all the rime in the keen competition.