http://pastport.jp/user/etong ja-JP Etong owns an enterprise with complete independent development capacity and production capacity, whose factory has a large-scale production layout planning both at home and abroad. 2023-02-27T16:58:17+0900 http://pastport.jp/user/etong/timeline/Guang%20Dong%20Etong%20New%20Energy%20Technology%20Co.%2C%20Ltd. etong http://pastport.jp/user/etong/timeline/Guang%20Dong%20Etong%20New%20Energy%20Technology%20Co.%2C%20Ltd.