Shanghai Junshi Biosciences (HKG:1877) said its wholly owned unit, Suzhou Union Biopharm, has passed an unannounced on-site inspection conducted by the US Food and Drug Administration, according to a Wednesday Hong Kong bourse filing.
Shares of the biopharmaceutical firm were down nearly 5% in Thursday morning trade.
The inspection, held from June 16 to June 24, reviewed compliance with current good manufacturing practice standards at Suzhou Union's Wujiang production base, which manufactures the company's toripalimab injection.