There are Sam supermarkets in Haikou. According to Baidu map, the address of Sam Supermarket in Haikou is: North of Wuyuanhe Gymnasium, Changbin Road, xiuying district, Haikou, Hainan. Sam Member Store is a high-end membership store owned by Wal-Mart, and its name is taken from Mr. sam walton, the founder of the retail legend Wal-Mart. Sam has a history of more than 30 years since its first store opened in April in the Midwest of Oklahoma 1983. In the early 1990s, Sam began to enter the international market. Sam has more than 800 stores around the world, becoming one of the largest membership stores in the world, providing quality shopping experience for more than 50 million individuals and business members. In China, the first Sam member store was established in August 1996. Sam has developed an online shopping platform and mobile application "Sam Member Store", and provided more online shopping channels for its members through its flagship store in JD.COM, Sam.