ABOUT Us
Development history
1984 Huadian Insulation material Co., Ltd. was established
1999 1000x2000 pressboard started to mass production
2004 Changzhou Yingzhong Electrical Co., Ltd. was established
2006 3000x6000 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
2022 LinYi Yingzhong New Materials Co., Ltd. was established
Beech/Birch Laminated wood started to mass production