In the activity of creating green enterprises in Ningbo carried out by the district Beauty Office and Beilun branch of Ningbo Ecological Environment Bureau in 2020, Ningbo Deye Technology Co., Ltd. actively practiced the development of green circular economy under the guidance of the concept of "clear water and green mountains are equal to mountains of gold and silver", adhering to the development concept of "green industry and bright future", which has successfully passed the review requirements of Ningbo green factory in April of 2021 and won the title of "Green Factory" in Ningbo in 2020.