Zhejiang Guoguang Technology Group Transformer Co., Ltd, established in 1969, is a professional manufacturer of the power transformers grade 110KV and below, appointed by Ministry of mechanical industry. The company has an experience of more than 40 years in transformers' design and production. Except ISO9001 & ISO14000, the factory has also obtained KEMA certificate in Holland, which well testifies its trustful quality.