The target group is 24 domestic and 350 international.
Distribution of PD-L1 / TGF β antibody in domestic pharmaceutical enterprises

reference resources:
NMPA/CDE/FDA;
Drug melting circle data;
Public disclosure of related companies;
https://www.merckgroup.com/en ;
https://www.merckgroup.com/en/research/healthcare-pipeline.html ;
http://www.chinadrugtrials.org.cn/clinicaltrials.searchlistdetail.dhtml ;
http://www.transcenta.com/ch/pipeline ;
https://clinicaltrials.gov/show/NCT02517398 ;
https://clinicaltrials.gov/show/NCT02699515 ; and so on.