China 's ministry of foreign affairs has warned travelers to sudan and the kordofan region to strengthen safety precautions .
相关阅读中国外交部已警示前往苏丹和科尔多凡地区的旅客注意加强安全防护。
South kordofan is the only state with vast oil fields that remained in sudan after the split , which left the south dependent on sudan 's pipelines and ports to export its oil .
The kidnapped workers -- held since jan. 29 -- were employees on a road-construction project in the south kordofan region .
自1月29日起被劫持的中国工人是南科尔多凡地区一个公路建设项目的雇员。
Negotiations between sudan and south sudan over the governance of oil-rich south kordofan were supposed to take place in the run-up to south sudan 's independence , but after clashes broke out , the state 's governor , ahmed haroun , suspended the talks .
