China sent off the second batch of policemen on Friday night to the Republic of South Sudan for United Nations (UN) peace-keeping missions.The 13-member team was composed of policemen in a range of sections, including anti-terror department, entrance and exit administration, regimental and patrolling police, border checking, and fire case investigation.All of them came from the Guangxi Zhuang Autonomous Region in south China.Four members had participated in previous UN peace-keeping missions, and the team leader, Wen Long, had served in three peace-keeping missions before the current one.After passing examinations by local and central public security authorities, the team had received training on international laws, first aid know-how, driving, English, shooting as well as orientations on the situation of the task region.The first team of policemen from southwest China's Chongqing Municipality began their peace-keeping mission in South Sudan on Nov. 11, 2011, and they were scheduled to return on Nov. 13 this year.Since 2000, China has dispatched 1,786 peace-keeping policemen to eight task regions, including Timore-leste, Bosnia and Herzegovina, Kosovo, Liberia, Afghanistan, Sudan, Haiti, and South Sudan, according to the Ministry of Public Security. Xinhua