The 4^th Quality Science of Biologics Summit 2023 is scheduled to be held in CROWNE PLAZA - BEIJING CHAOYANG U-TOWN on May 12-13. QbD Quality Science of Biologics Summit focusing on the field of biopharmaceutical quality and policies and regulations, emphasizes on sharing quality culture practices, and drives high-level development of the pharmaceutical industry with quality. TOT BIOPHARM will exhibit at Booth A38 to discuss with industry experts the key points of quality system in biopharmaceutical production. Colleagues are cordially invited to visit the booth for mutual exchange.