2004 April 22---->AAA Minerals organized the 1st international seminar of “China Coalmine Gas vs. Safety and Environment” in China.

Technologies and Equipment to Control and Improve --- Les
Coalmine Gas, Safety and Environment Protection --- Ghliu
采煤采气一体化战略技术要点 --- Suianchen
China's coal supply/demand and their impact on international
coal market --- Ghliu
Natural Stone Collecting in China --- Ghliu
China’s coal supply/demand  and their impact on international
coal market


2005 May 10---->AAA Minerals organized the 2nd international seminar of “China Coalmine Gas vs. Safety and Environment” in Beijing.

Coalmine Gas Utilization---Les Lunarzewski


2005 August 11---->Coalmine Gas Conference in Haikou,Hunan Prov.



2006 Mach 23---->



2006 Mach 30---->



2006 December 4---->



2006 December 14---->






 

  
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