Chinese on-demand delivery giant Meituan posted an 18.1 per cent year-on-year surge in revenue for the first quarter, as it seeks to maintain its dominant position on the mainland in the food delivery market amid new competition.Meituan’s revenue for the three months through March was 86.6 billion yuan (US$12 billion). Net profit reached 10.1 billion yuan, up 87.3 per cent year on year.The Beijing-based firm said in a statement that its instant commerce business “Instashopping maintained robust ...