Zhejiang Vaya Electric Co.,Ltd specializes in manufacturing the Electronic overload Relays,Thermal Overload Relays,Electronic Voltage Relays,Other Protection & Monitoring Devices,Current Transformers,Shunt and any other electrical equipments.After several years' development,Vaya has become a larger enterprise combining research, production, sales and after-sales service of electronic relay and is one of the famous manufacturers in China.All of ou