According to the rumor (Yes, it is just a rumor. In theory, Li Run-ming and Ji Dao-shuai won't return Shandong VC in Season 19/20), the foreign players in Season 19/20:
Beijing: Kevin Le Roux (MB/OP, FRA), Saeid Marouf (S, IRI), Leonardo Leyva Martinez (OH, CUB/USA?)
Shanghai: Tine Urnaut (OH, SLO), Giulio Sabbi (OP, ITA)
Tianjin: Dmytro Vietsky (OH, UKR), Martinez Gions Ramon (Unknown, CUB), Garrett Muagututia (OH, USA) - Garrett is still playing matches in Italian League A 19/20, I guess it is not true
Jiangsu: Marko Bojic (OH, MNE), Lazar Cirovic (OH, SRB)
Zhejiang: Poluian Timofii (OP, UKR), Ivan Borovnjak (OH, SRB)