Changlin Group Co., Ltd is composed by such subsidiaries as Hong Kong Changlin Development Co., LTD, Shenzhen Yongjingda Electronics Co., Ltd, Shenzhen Changlin Digital Video Technology Co., Ltd, Beijing Chang Zhi Lin Technology Development Co., Ltd, Shanghai Changlin Network Intelligence Technology Co., Ltd, Changlin Shenyang, Chengdu, Hangzhou, Xi'an Office and etc. Among them, Shenzhen Changlin Digital Video Technology Co., Ltd had win the title "one of the hundred most growth Chinese Secure and Monitoring Enterprises", and to be the routine director of Secure and Monitoring Association, and also be emphases supporting enterprise united approved by city commercial industry governing department and financial department.

Changlin, as one of the biggest CCTV products manufacture and leading designer in mainland China, we are good at CCD Cameras, DVRs, Monitors, Coaxial cable shared transmitter and so on.