SHANGHAI, April 19, 2024 /PRNewswire/ -- ZTO Express (Cayman) Inc. (NYSE: ZTO and HKEX: 2057), a leading and fast-growing express delivery company in China ("ZTO" or the "Company"), today announced that it filed its annual report on Form 20-F for the fiscal year ended December 31, 2023 with the U.S. Securities and Exchange Commission...