Walmart China will significantly strengthen food safety and compliance controls, the retail giant said after China's top market regulator summoned its local membership retail arm Sam's Club China over repeated food safety violations.

Walmart China, parent company of Sam's Club China, said it will tighten controls after the country's top regulator summoned Walmart unit over food safety issues.

Consumers browse products at a Sam's Club store in Changsha, Hunan province, on Sept 7. CHINA DAILY