China firmly opposes Taiwan politician's official contacts with Czech: Chinese FMWang's NZ visit comes at pivotal time in relations, analysts sayEnvironmental legal cases down last yearChina to continue to prioritize employment promotionU.S. using Taiwan as 'pawn', says spokespersonChina's envoy calls for collective action on nuclear disarmamentPresident Xi engages in lively discussion with deputiesJapan offers $20m to IAEA during agency's head visitNational security bill comes into law on March 23Ministry: U.S. practice disrupts normal business activities