American SUN Corporation
IBM (China) Co., Ltd.
Compaq (China) Co., Ltd.
HP (China) Co., Ltd.
Cisco Systems (China) CO., Ltd.
3COM (China) Co., Ltd.
ORACLE (China) Co., Ltd.
Informix Software (China) Co., Ltd
SYBASE (China) Co., Ltd
DIALOGIC (China) Co., Ltd
Informix (China) Co., Ltd
Convergys IMG
CA (China) Co., Ltd
American Veritas Corporation
American Netscreen Corporation
SIEMENS
NORTEL
LUCENT
MOTOROLA
NOKIA
ERICSSON
ALCATEL
HUAWEI
ZTE
Datang Telecoms
Zhongchuang Software
......