Meituan served 770 million users and 14.5 million active merchants in the past year, CEO Wang Xing said in an internal letter. The Chinese on-demand services giant received more than 150 million instant retail orders a day. It engaged 40.3 million delivery riders, whose average monthly income soared 12% in the first quarter from late last year to between CNY7,230 (USD1,014) and CNY10,100, he added.