 SHANGHAI, May 12, 2021 PRNewswire -- ZTO Express Cayman Inc. NYSE: ZTO and SEHK: 2057 ZTO or the Company, a leading and fast-growing express delivery company in China, today announced that it will hold its annual general meeting of shareholders AGM on Wednesday, June 2, 2021, at 14:00 local time, at Building One, No. 1685 Huazhi Road, Qingpu District, Shanghai, 201708, China. 