CRRC railway converter transforemr-9mva

2020

Design 4.8MVA and 10.4MVA dry type converter transformer

2019

Exported Oil immersed transformer to Australia

2018

Exported phase-shift rectifier transformer to Europe

2017

Exported electric locomotive reactor to Germany

2016

Exported cast resin dry type transformer to Europe

2015

Rebuilt the new company"Hunan Varelen electric Co., ltd

2014

Changsha transformer factory reconstructed

2013

Exported mining explosion dry type transformer to Spain

2012

Developed the first set 4000kva mining muiltple output power cneter,exported to Southeast Asia

2005

Developed 220kv rail transformers,which were applied widely in China

2004

110kv balance traction transformer, gained the national new products certificate

1999

Presided national standard -mining flameproof transformer, 132kv rail traction transformers were exported to India

1994

Changsha transformer factory was established

1956