Chinese embassy in Washington, DC, condemns designation, calling it ‘discriminatory’.The United States has designated Chinese corporate giants Alibaba, BYD and Baidu as companies that support China’s military, expanding its blacklist to some of the country’s best-known commercial brands.The Pentagon included the firms in an update on Monday that is likely to complicate the fragile detente under way between Washington and Beijing after years of rocky relations.Recommended Stories list of 4 itemsend of listChina’s embassy in Washington, DC, condemned the listing as “discriminatory” and an example of the US government “overstretching” the concept of national security.“Chinese companies that do business overseas…