Enduring friendship with Xi fosters U.S.Chinese FM denounces 'freedom of speech' in U.S.Peaceful principles playing key role in intl relations, FM saysChina's top legislature to hold closing meeting on MondayWaters of South China Sea should be kept calm, Wang Yi saysWang's NZ visit comes at pivotal time in relations, analysts sayU.S. chip firms urge Biden administration to approve sales to China as ban backfiresNational security bill comes into law on March 23China strengthens punishment of corrupt practicesSpokesman calls on U.S. to translate commitment into action