Shanghaichengdiconstructioncorporationltd(603887) : Response of Tianzhi International Accounting Firm to the Information Disclosure Supervision letter on the Annual Report of 2021 Shanghai Stock Exchange Part One: We received the Information Disclosure Supervision letter on the Annual Report of 2021 issued by your Ministry on 20 May 2022 (hereinafter referred to as ” Shanghaichengdiconstructioncorporationltd(603887) ” or “The Company”). 0434, en lo sucesivo denominada “Carta de trabajo”. Como organismo de auditoría de los estados financieros anuales de Shanghaichengdiconstructioncorporationltd(603887)