China Association of communication enterprises of Beijing based constant listen to the credit status of the Technology Co., Ltd. were evaluated. The results of AAA. Evaluation time: August 14, 2014. Hereby certification.
Communication network equipment maintenance enterprise qualification certificates. Accreditation by the Ministry of industry and information technology and Telecommunications Research Institute Gentile Center certification, communications network operation and maintenance Committee of the China Association of communication enterprises comprehensive assessment, the approval of the China Association of communication enterprises, awarded Beijing in constant communication technology limited company of grade a qualification. Valid: September 2014 September 04 to 2018 03.
Management system certification. Quality management system in line with the ISO9001:2008. certificate coverage: base station and communication equipment maintenance.