China Girl" is a song which was co-written by Iggy Pop and David Bowie, for Iggy Pop's album The Idiot. However it was not popularized until it was re-released by David Bowie on the album Let's Dance.
An edit of David Bowie's 1977 version was also released as a single.
Under the auspices of Nile Rodgers, the song was given a much more commercial sheen than the sinister Iggy Pop version.
This song is arguably about heroin addiction; "China white" is a street nickname for heroin, and based on the following lyrics in the song: