National security bill comes into law on March 23Officials refute soChina reprimands U.S. for economic bullying over semiconductor restrictionsChina, UN coSpokesman calls on U.S. to translate commitment into actionChina strengthens punishment of corrupt practicesXi congratulates Zardari on election as Pakistani presidentTop adviser reaffirms opposition to 'Taiwan independence'Peaceful principles playing key role in intl relations, FM saysBreakthrough laryngeal allotransplantation offers hope to patients in China