1. Nanjing Security Company-No.7 Mopan Street, Qinhuai District1
2. No.99 Chengxian Street, Xuanwu Branch, Nanjing Security Service Company
3. 8th Floor, Cheng Kai International Building, China Shenlong Security Group-Hongwu Road 198.
4. Nanjing Rowen Security Service Co., Ltd.-Hongyang Building, No.09 Da Qiao North Road151510/room.