1, Chongqing Yongzhiren Security Service Co., Ltd. Address: Fubidi Community, Yanghe Second Village, Jiangbei District, Chongqing/No.2 18; Tel: 023-6762561;
2. Chongqing Rongdun Security Co., Ltd. Address No.3 Jinyuan Road, Rongchang District, Chongqing, Tel: 023-46781444;
3. Chongqing Yongzhiren Security Service Co., Ltd. Address:No. 18 Fubidi Community, Yanghe Second Village, Jiangbei District, Chongqing, Tel: 023-6762561;
4. Chongqing Security Service Corporation Fire Security Branch Address No.40 Liziba Street, Yuzhong District, Chongqing, Tel: 023-63704855;
5. The address of Chongqing Hongdun Security Service Co., Ltd. is Room 4-444, Junhao Business Building, No.7 Jinyuan Road, Jiangbei District, Chongqing. Tel: 023-67980777.