On 26 March 2011, Lang made his senior international debut in a friendly against Costa Rica in an experimental team that also saw Jin Jingdao, Lü Peng, Ma Chongchong, Ye Weichao and Zhang Xizhe make their first appearances in a game that ended in 2-2 draw.
Zhang Fei | Zhang Yimou | Zhang Wentian | Zhang Zhidong | Zhang Ruimin | Zhang Yan (Han Dynasty) | Zhang Yan | Zhang Xun | Zhang Yue (Tang Dynasty) | Zhang Yue | Zhang Dejiang | Zhang Anshi | Liu Zhang | Jianyi Zhang | Zhang Zuoxiang | Zhang Zuolin | Zhang Zizhong | Zhang Zhongjing | Zhang Zhizhong | Zhang Zhijun | Zhang Zhen Huan | Zhang Yuan | Zhang Yu | Zhang Yizhi | Zhang Yiyi | Zhang Yi (strategist) | Zhang Yaodong | Zhang Yanmei | Zhang Xueliang's former residence in Wufeng, Hsinchu | Zhang Xin |