China, Angola elevate bilateral tiesXi congratulates Zardari on Pakistan presidency winJapan offers $20m to IAEA during agency's head visitNational security bill comes into law on March 23Wide range of issues raised in media interviewsChina announces visaNPC deputy warns against 'Taiwan independence' in cultural aspectFM trip to aid stability in AsiaChina slams India's tunnel inauguration in border areaChinese scholar introduces nation's human rights protection of the disabled at Human Rights Council