SHANGHAI (Reuters) - Wal-Mart Stores Inc
Wal-Mart, which has 370 stores and over 100,000 employees in China, was a pioneer in the market, but now faces much greater competition from Britain's Tesco Plc
China's hypermarket sector, in which retail sales reached 506.9 billion yuan ($81 billion) last year according to Euromonitor, includes the world's three largest retailers in Wal-Mart, Carrefour and Tesco, and domestic brands led by Sun Art Retail Group <6808.HK>.
($1 = 6.2417 Chinese yuan)
(Reporting by Melanie Lee; Editing by Daniel Magnowski)