75291640
Apr 29, 1997
Aug 22, 2000
arranging and conducting business trade fairs and exhibitions in the fields of resource extraction and processing
Advertising and Businesseducational services, namely, organizing and conducting exhibitions, congresses and conferences in the fields of resource extraction and processing, including mining, well drilling, and ancillary materials and equipment, and environmental protection, research, engineering, financial and logistical services
Education and Entertainment