According to the Regulation on the Prevention and Control of Geologic Disasters, and Measures for the Administration of Eligibilities of Evaluation Entities of Geologic Disaster Danger, we hereby approve that Grade C in the evaluation of geologic disaster danger for Beijing Explo-Tech Engineering Co., Ltd. Please be notified of 7-day Notice Period.

　　Contact: Du Tao
　　Tel: +86 10 64409785
　　Fax: +86 10 64409788

　　April 2, 2009