EQS-News: CHINA WAN TONG YUAN (6966.HK) REPORTED 2020 NET PROFIT MARGIN OF 45.1%, FURTHER CONSOLIDATED ITS MARKET POSITION IN THE JING-JIN-JI MEGALOPOLIS
?China Wan Tong Yuan (6966.HK) Reported 2020 Net Profit Margin of 45.1%, Further consolidated its Ma