Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 20-F (Mark One) o REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018. OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to OR o SHELL COMPANY REPORT PURSUANT TO S ...

ZTO Express (Cayman) Inc. (NYSE:ZTO) Q4 2018 Earnings Conference Call March 12, 2019 9:00 PM ET Company Participants Sophie Li - IR Director Meisong Lai - Chairman and CEO Huiping Yan - CFO Conference Call Participants Baoying Zhai - Citi Edward Xu - Morgan Stanley Eric Zong - Macquarie Operator Good day and welcome to the ZTO Conference Call and Webcast. All participants will be in listen-only mode. [Operator Instructions] After today's presentation, there will be an opportunity to ask questions. [Operator ...