Cooperation partners of Aitelong   Telecom equipment Huawei Technologies Co., Ltd. ZTE Corporation Alcatel - Lucent Technologies   Dynamic energy Emerson Electric Co. Merlin-Gerin Delta Electronics Industrial Co., Ltd.   Telecom operators +   - China CHINA TELECOM CHINA MOBILE CHINA UNICOM   CHINA TIETONG CNC     - Asia-Pacific Bharat Sanchar Nigam Ltd. Mahanagar Telephone Nigam Ltd. Pakistan Telecommunication Ltd. Telenor Sri Lanka Telecom Dialog Telecom PLC.   - Mid East Emirates Telecommunications Corporation Iran Telecom Saudi Telecom   - Africa   Telecom Egypt ALGERIE Telecom     - Latin America Empresa Brasileira de Telecomunicacoes S.A. Telecom Argentina S.A. Empresa Nacional de Telecomunicaciones S.A.   - North America   AT&T 7AAA Corp.     - Europe British Telecommunications Public Ltd. Co. France Telecom Deutsche Telekom AG (DTAG)   - CTS     Rostelecom       Electricity services   CHINA GUODIAN CONRPORATION CHINA SOUTHERN POWER GRID