As an active player in electrical manufacturing industry over 15 years, Onesto is committed to providing quality assured products for application in power distribution, industrial control and photovoltaic system etc. Onesto is a name of quality that focuses on customer’s safety and satisfaction. The company is operated under ISO9001:2015 Quality Management System. All the products are manufactured in conformity with BS,EN,IEC international standards and acquired CE,CB, TUV,SEMKO,SAA,KEMA-KEUR, UL certificates.