https://thediplomat.com/2017/12/introducing-the-df-17-chinas-newly-tested-ballistic-missile-armed-with-a-hypersonic-glide-vehicle/ https://thediplomat.com/2017/

https://thediplomat.com/2017/12/introducing-the-df-17-chinas-newly-tested-ballistic-missile-armed-with-a-hypersonic-glide-vehicle/ https://thediplomat.com/2017/12/introducing-the-df-17-chinas... This article is from 2017, including mentions of testing.