On the books and looking fairly solid currently:
July/August:
Ritz Carlton Hong Kong
Four Seasons Shanghai Pudong
Mandarin Oriental Pudong
Four Seasons Shanghai Puxi
Park Hyatt Shanghai (tentative)
Peninsula Shanghai
Four Seasons Hangzhou
Amanfayun
Aman Summer Palace
Four Seasons Beijing
Landmark Mandarin Oriental
Inter-Continental Hong Kong
Four Seasons Macau
Mandarin Oriental Hong Kong
Four Seasons Hong Kong
then to Tokyo but Tokyo hotels are still to be confirmed.