This week on the Caixin-Sinica Business Brief: China purchases a record 1.36 million metric tons of corn from the United States; according to China’s General Administration of Customs, exports rose by 32.3% year-on-year in April; and the Sinopharm vaccine receives approval for emergency use by the World Health Organization.

In addition, we speak with Caixin Global podcast producer Nandini Venkata about the potential delisting of Chinese telecommunications companies from American stock exchanges.