ZTO Express Cayman Inc. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was CNY 6,472.537 million compared to CNY 3,915.889 million a year ago. Operating income was CNY 632.880 million compared to CNY 372.012 million a year ago. Net income was CNY 533.625 million compared to CNY 374.700 million a year ago.