Published a headline article: "Leading Chinese auto companies! Dongfeng Motor's invention patent authorization volume ranks TOP1 for three consecutive years" #东风汽车# http://t.cn/A63kh3pG
发布了头条文章:《领跑中国车企!东风汽车发明专利授权量连续三年TOP1》 #东风汽车# http://t.cn/A63kh3pG