I'll give you a list, stating: Tiequan Hualang summed it up, so I'll borrow it here.

The following information is for reference only, not detailed information. Please provide any unfinished business. (Deadline: June 2009 10)

Beijing:

Beijing New Aosheng International Taekwondo Gymnasium (Li Guangsong Normal University, etc. );

Beijing Tao Qing International Taekwondo Hall (Mr. Li Chengzhe, etc. );

Beijing Cangxuan International Taekwondo Gymnasium (Li Mingzhe Shixian, Zhao Jinghu Normal School, etc. );

Beijing Tiandi International Taekwondo Gymnasium (Teacher Li Songcan);

Beijing Taekwondo Dojo (Hou Zhe Normal School, etc. );

International Taekwondo Major of Beijing Vocational College of Science and Technology (Cheol-min Park Shixian, Lu Qilong, etc. );

Peking University Taekwondo Gymnasium (Li);

Beijing Xuanwu Dojo (Li Kan Normal School and Hanyong Normal School);

North China Electric Power University ITF Taekwondo Hall (Peng Min Normal University, etc. );

Fengtai Dragon Dragon International Taekwondo Gymnasium (Sun Hong Normal School, etc. );

Tongzhou Shenglong Taekwondo Gymnasium (Zhou Fuxing Normal School)

Tianjin:

Tianjin ITF (North Korea Yan Chengri Shi Xian, etc. )

Hebei:

Cangzhou Renqiu Xindaoguan (Teacher Zhang Weili);

Langfang Fangsheng Longfei Fitness ITF Taekwondo Hall (Liu Song);

Hengshui Cangxuan China ITF Taekwondo Hall (Shen Pengfei, etc. );

Tangshan hujin ITF taekwondo gym (hujin normal university)

Qingxian county unify ITF taekwondo gym (Li Chengqi)

Henan:

Zhengzhou Xinluo ITF Taekwondo Gymnasium (Luo Zhihao)

Liaoning:

Shenyang Jiyuan Fitness Center ITF Taekwondo Hall (Korean teacher Jin Dazhi, etc. );

Shenyang Tai Hao Fitness Center ITF Taekwondo Hall (Wang Haisheng Normal University, Yang Cui, etc. );

Jilin:

Tonghua Tao Qing ITF Taekwondo Hall (Wei Jie et al.);

Yanbian Yanji Oriental Taekwondo Gymnasium (Teacher Xu Changhu, etc. );

Yanbian Wangqing Taekwondo Hall (sincere);

Yanbian Tumen Xinluo ITF taekwondo gym

Heilongjiang:

Mudanjiang ITF (Teacher Wei);

Suifenhe Hongming ITF Taekwondo Gymnasium (Liu Hong)

Shandong:

Weihai Shiyu Wudao Group ITF Taekwondo Hall (South Korea Zheng Hu Cheng Shixian);

Jinan black Daoguan (Hengli Korean national teacher);

Weifang Chen Long ITF Taekwondo Hall (Han Tao);

Xintai city taekwondo gym

Jiangsu:

Xuzhou Feixiang Fitness ITF Taekwondo Hall (Wang Yuan);

Nantong Black Belt Elite Association ITF Taekwondo Hall (Wang Zhenzhen);

Kunshan Cangxuan ITF Taekwondo Hall (Ye Ping);

Taizhou Taixing Cultural Center Taekwondo Gymnasium (Xu Wei)

Shanghai:

Shanghai Wu Wen International Taekwondo Gymnasium (Xujingnan Normal School)

Anhui:

Hefei Congrong ITF Taekwondo Gymnasium (Xiaolan Shen)

Zhejiang:

Tao Qing ITF Taekwondo Hall (Zheng Chengzhe);

Ningbo Rongkai International Taekwondo Gymnasium (Xuliangrong Normal School)

Fujian:

Fuzhou Phantom ITF Taekwondo Hall (Wang Changzhi);

Fuzhou Liu Yuxin Wudaochang ITF Taekwondo Hall (Wang Siqi Normal University)

Hubei:

Wuhan Taekwondo Chinese Wushu School (Lv Peng Normal University);

Taekwondo Hall (Liu)

Hunan:

Changsha Shixin Taekwondo Gymnasium (Shen);

Changsha Dark Horse Taekwondo Gymnasium (Mr. Han Zhang et al. );

Fei Ying Taekwondo Gymnasium in Changsha (Park Xueji Shixian, etc. );

Loudi Tianxia Wulin Wudao Education Center Taekwondo Hall (Li et al. )

Chongqing:

Chongqing Shangyi International Taekwondo Gymnasium (Linyuan Normal School)

Sichuan:

Mianyang Taekwondo Enlightenment Hall (Jilei Normal School);

Guang 'an Taekwondo Medical Research Institute (Zhang)

Shaanxi:

Xi 'an Unify Taekwondo Gymnasium (Li Yuanyuan);

Xi Anwu Dojo (Li Longzhe)

Guangdong:

Guangzhou ITF Xiao Zhongtang (teacher Yin Hulin, etc. )

Guangxi:

Nanning Tokyo ITF Taekwondo Gymnasium (Hou Xihao)

Hainan:

Haikou ITF (Teacher Vicky Chan, etc. )

There are no ITF Taekwondo gymnasiums in the following areas:

Inner Mongolia (possibly in Tongliao); Jiangxi (probably soon); Shanxi (there seems to be, but I'm not sure); Yunnan; Guizhou; Ningxia; Qinghai; Gansu; Xinjiang; Xizang