China's market regulator ​has summoned a ‌Walmart China executive to discuss ​food safety ​issues that have been ⁠recently detected ​at its supermarket ​chain Sam's Club, according to a ​notice.

The regulator ​did not say when ‌the ⁠meeting took place. It required the U.S. retailer ​to ​strictly ⁠prevent food safety risks ​throughout its ​entire ⁠supply chain and effectively ⁠safeguard ​public dietary ​safety.