Passed ISO9002(1994) by United Kingdom SGS International Certification Services in 12,1994.

Passed ISO9001(1994) by United Kingdom SGS International Certification Services in 2,1997.

Passed ISO9001(2000) by United Kingdom SGS International Certification Services in 9,2001.

Passed ISO14001 Environmental Management System Certification by United Kingdom SGS International Certification Services in 2003.

Safety Certification and Product Test

Great Wall sign Passed CCEE safety certification in 1992.(China)

Ul sign Passed UL safety certification in 1995.(America)

CSA sign Passed CSA safety certification in 1998.(Canada)

VDE sign Passed VDE safety certification in 1998.(Germany)

Mobile Phone Battery

Passed test of Beijing Mobile Communication Equipment Quality Supervision and Inspection center attached to the Information Industry Ministry in 5,2002.