1995.01 Nanjing Ansen Electronics Co., Ltd established.

2002.06 The company moved into the new factory area and we are obtained ISO9001 Quality Management System Certification.

2006.06 Our encapsulated transformers are obtained the UL certification.

2008.08 Introduce German automatic vacuum potting machine and fully automatic multi-spindle winding machine to implement automation on the production line.

2012.09 The 6,000 square meters production building had been finished and starting to use.

2013.06 We obtained ISO14001 Environmental Management System certification.

2015.12 Our encapsulated transformers EI3005, EI3010, EI3012 obtained VDE, ENEC, CE, CB certification

2016.11 We attended electronica 2016 in Munich. 2017.03 We expanded the production workshop and put it into operation.

2017.09 We Introduced the full automatic production line of the encapsulated transformer

2018.03 The whole encapsulated transformer series was approved by ENEC10，VDE，CE，CB.