pcruciatti / Shutterstock.comThis story was delivered to BI Intelligence "E-Commerce Briefing" subscribers. To learn more and subscribe, please click here. Walmart, which operates over 400 stores in China, has partnered with WeChat, a mobile-based Chinese social network, to provide a mobile payment solution to its in-store customers, according to Internet Retailer. Walmart customers are now able to use WeChat’s mobile payment solution WeChat Pay to make in-store purchases.