The team saw off entries from international practices including RTKL, Ellerbe Beckett, HOK and Von Gerken.
The Beijing World Science and Trade Centre development is in the new central business district of the Chinese capital.
It involves three high-rise apartment blocks of 50, 62 and 72 storeys. It also includes a hotel and convention centre and a cultural centre.
Four office blocks, each 43 storeys high, will be built.
The scheme also includes an elevated park ecosystem with landscaped bridges.