The present report publishes the chronological data of specimens tested by the ^14C Laboratory of the Archaeological Science and Techniques Experiment and Research Center, IA, CASS, in cooperation with the Institute of Biophysics, CAS, from 1998 to 2001. These specimens, totaling 230 pieces, come from the following 11 archaeological sites: Erlitou in Yanshi County, Henan (28); Nanzhai in Yichuan County, Henan (10) ; Nianzipo in Changwu County, Shaanxi (21) ; Shang city in Yanshi, Henan (25) ; Shang city in Zhengzhou City, Henan (20+10) ; Xiaoshuangqiao in Zhengzhou City, Henan (5); Yinxu in Anyang City, Henan (43); Zhangjiapo in Chang' an City, Shaanxi (9+12); Mawangcun in Chang'an City, Shaanxi (10) ; Liulihe in Fangshan County, Beijing (25+6) ; and Jin Marquis tomb at Beizhaocun in Quwo County, Shanxi (6).
The present report publishes the chronological data of 45 specimens tested by the ^14C Laboratory of the Archaeological Science and Techniques Experiment and Research Center, IA,CASS. from March 2000 to March 2001. These specimens came from the following sites:Yuhuangmiao (6 pieces) and Hulugou (2) in Jundushan, Beijing; Hujiayu in Yuanqu county (1) and Pujidu in Yongji county (1), Shanxi; Xianerta in Hulun Buir (6) and Xinglongwa in Aohan league (4), Inner Mongolia;Anzhangzi in Harqin left Wing Mongolian Automous County, Liaoning (1); Ganfanguo (1) and Gukuangdong (1) in Lingjiang county, Jilin; Yushan in Changshou county, Jiangsu (1); Yinshan in Shaoxing city, Zhejiang (2); Yantai city, Shandong (1); Fengxiansi in Luoyang city, Henan (1);Nanyuedamiao in Hengyang county, Hunan (5); Yangputou in Kunming city (2) and Luohanshan in Qujing county (2), Yunnan ; Duogang in Baicheng (8), Xinjiang.
