600521: announcement of new century rating on paying attention to the pre reduction of annual performance in Zhe Jiang Hua Hai Pharmaceuticalco.Ltd(600521) 2021. Shanghai new century credit evaluation and Investment Service Co., Ltd. (hereinafter referred to as “new century rating” or “the rating agency”) has accepted the entrustment of Zhe Jiang Hua Hai Pharmaceuticalco.Ltd(600521) (hereinafter referred to as ” Zhe Jiang Hua Hai Pharmaceuticalco.Ltd(600521) “, “the company” and “the company”) to conduct credit rating on the bonds issued by it. As of the date of this announcement, The Zhe Jiang Hua Hai Pharmaceuticalco.Ltd(600521) surviving bonds rated by this rating agency are only convertible corporate bonds publicly issued in 2020 (hereinafter referred to as “Huahai convertible bonds”). As of the date of this announcement, the credit rating given to Zhe Jiang Hua Hai Pharmaceuticalco.Ltd(600521) entities by new century rating is AA, and the rating outlook is stable; The credit rating of Huahai convertible bonds is AA