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Paving the way for more than 40 years, we are now the favourite son of the industry.

1985: The first set of 110KV grade transformer was born, and was put into operation in Power Grid.

1992: The factory was appointed as Professional Enterprise of Producing 110KV Grade Transformer by the Ministry of Machinery & Electric Industry.

2002: The factory brand JSB was awarded the Zhejiang Provincial Famous Trademark and the factory won the certificate of Zhejiang Provincial High and New Technology Enterprise.

1, 1969 Transformer factory in Zhejiang Province was founded
2, 1979 Our firm upgraded to Zhejiang Jiangshan Transformer Factory
3, 1989 The factory was promoted as State/National Famous Grade Enterprise
4, 1994 The factory was titled as Civilized Unit in Zhejiang Province
5, 2003 The factory was restructured into a subsidiary of Zhejiang GuoGuang Technology Group, named Zhejiang Jiangshan Transformer Co., Ltd.
6, 2008 The company completed the project of 220kV transformer technology reconstruction phase two,and more 220KV transformers was put into operation in Power Grid.