For letters, please send to:
21 Hepingli North St, Dongcheng District, Beijing
Discipline Inspection Commission of the State Administration of Mine Safety one hundred thousand seven hundred and thirteen
All provincial bureaus of the State Administration of Mine Safety
Hebei Shanxi Inner Mongolia Liaoning Jilin Heilongjiang Jiangsu Anhui Fujian Jiangxi Shandong Henan Hubei Hunan Guangdong
Guangxi Chongqing Sichuan Guizhou Yunnan Shaanxi Gansu Qinghai Ningxia Xinjiang