Sunway Hanguang Electric Manufacturing Inc., has been manufacturing wide range of high quality vaccum interrupters for medium and high voltage switch circle in China since 1969&＃039;s. Outstanding vacuum interrupter manufacturing leader techniques used by Sunway Hanguang result in the highest quality and the largest voltage range of vacuum interrupters available today. We can delivery in time. Our products have very competitive price and have super quality, All products are made by the standard of ISO9001-2000, some models got the certificate of E-mark. Sunway Hanguang brand products include: Vacuum Interrupter Vacuum Circuit Breaker Embedded Poles Operating Mechanism Spark Gas Tubes Insulator Ceramic Spare Parts for Vacuum Interrupters etc.