For Further Information, please contact:

Mr. Liu Wenge, Director
 Energy & Safety Division
China Coal Information Institute
National Institute of Occupational Safety (CCII & NIOS)
No.35, shaoyaoju, Chaoyang District, Beijing 100029, China
Tel/Fax:0086-10-84657806
E-mail: liuwenge@coalinfo.net.cn
Website:http://www.nios.com.cn

  

 
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