DIFF Biotech·Building 2C, No. 688 Bin'an Road, Changhe Street, Binjiang District, Hangzhou 310051, China；

DIFF Biotech (Hefei)· 4th Floor, Building 2, Institute of Health and Medicine, Hefei Comprehensive National Science Center, Hefei 230092, China；

DIFF Biotech (Singapore)·112 Robinson Rd, #03-01, Singapore, 068902；