1999 CEEG cooperated with DuPont to develop the industry's first NomexR paper insulation system dry-type transformer.
2001 CEEG signed a strategic cooperation agreement with DuPont, defining the development concept of "Go along with giants, keep peace with the world."
2004 CEEG won the DuPont Global Sales Award.
2012 CEEG signed a strategic cooperation agreement with DuPont to expand all-around cooperation in transformers, photovoltaics, and new materials.
2018 CEEG and DuPont signed a brand authorization letter for DuPont ReliatraNR.
2020 CEEG signed a strategic cooperation agreement with DuPont China. It marks that the strategic cooperative relationship between the two parties that has flourished over the past many years has taken a critical step forward, creating a new development situation together with giants.