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Transformer Board Series
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Angle Ring Sector Series
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2004
Changzhou Yingzhong Electrical Co., Ltd. was established
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2006
3000x6000mm high density pressboard started to mass production
2009
China first 1000kV lead device was made by us and start to produce HVDC projects
2010
Ring-shaped pressboard which is unique in the world started to mass production
2015
PGClL India approved our material/products can be used up to 400kV transformers and reactors
2016
HVDC +800kV insulation material started to produce at our factory
2018
PLN Indonesia approved our material/products can be used up to 500kV transformers and reactors
2019
PGClL India approved our material/products can be used up to 765kV transformers and reactors
