·Reliability Analysis and Research Center  （020-87237173）
·Reliability Engineering and Research Center  （020-87237090）
·Environmental Engineering and Research Center   (020-87237196)
·Reliability Data Research Center   (020-87237902)
·CEPREI Safety and EMC Inspection and Testing Center   （020-87237177）
·CEPREI Electronic Component Inspection and Testing Center   （020-87237292）
·CEPREI Certification Body   （020-87236606）
·CEPREI Calibration and Testing Center   （020-87237058）
·CEPREI Software Testing Center   （020-87237055）
·CEPREI Information Research Center   (020-87237129)
·Guangzhou ESPEC Environmental Equipment CO., LTD  (020-86881553)
·Guangzhou CEPREI LIANRUI Information Engineering Consulting CO., LTD     (020-87237439)
·Guangzhou CEPREI TENGRUI Information Technology CO., LTD   （020-87236885）
·SAIBAO Property Management CO., LTD   (020-87237957)
·Guangzhou Worldwide Standards and Testing CO., LTD   （020-87236019）
·Guangzhou South Electronic Engineering Design Institute   (020-87237089)
·Guangzhou Dominant Information Technology Media Ltd.  (020-87364516)
·Hot Line for Customer’ Complain    （020-87236789）