China billionaire Lai Jianfa has left the board and his other positions at ZTO, one of China’s largest express delivery businesses, the company said on Sunday. Lai’s resignation was approved by the board of directors on Friday, and came after ZTO announced an increase in first-quarter profit on Thursday. Lai “tendered resignation to the board of directors of the company seeking to resign, for personal reasons, from his positions with the company,” ZTO said. “The board of directors accepted his resignation on May 27, 2022 with immediate effect.” “Mr. Lai confirmed to the board of directors that his resignation does...