Walmart China operates more than 50 depot warehouses in China to enhance the shoppers' online-and-offline experience.

The retailer is now running eight community-based supermarkets in Guangdong province, which has been tested for about a year.

The smaller and community-based format — covering 30,000 to 40,000 residents within a radius of 500 meters— has shown bright result, according to Ku, a growth of 20 percent in terms of revenue and the number of visitors in the third quarter, if compared with that of the first quarter this year.

The company is also eyeing to quickly expand its map for Sam's Club by operating or building 45 clubs by 2022 and more in the future. Growth in fresh food and omni-shopping experience has propelled the double-digit comp growth of Sam's Club.