中文
Home
Service
Certification Information
Company Information
Contact Us
About Us
—— TELECOM ——
Telecom
Cell phone mainly includes GSM, CDMA, 3G, 4G. Up to now, there's 1G, 2G GSM, TDMA, 2.5G CDMA, 3G, 4G.
CINRIO: CINRIO Certification Consulting Co., Ltd.