| 
			Beijing Branch
		 | 
			Room 608-612, Chuan yan Building, No. 7 Jiaomen Road, Fengtai  District, Beijing, China 
		 | 
			Beijing
		 | 
			Fengtai district			
		 | 
			100068
		 | 
			China
		 | 2010-04-20 | 
| 
			South Branch
		 | 
			19 / F, building 6, software park, No. 89, software Avenue, Gulou District, Fuzhou City, Fujian Province 
		 | 
			Fuzhou
		 | 
			Gulou District			
		 | 
			350000
		 | 
			China
		 | 2016-06-23 | 
| 
			Eastern China Department
		 | 
			Registered address:No.558, Brick Wall Economic Park, Gaochun District, Nanjing, Jiangsu, China General office:Room 502, No. 14 South Huju Road, Qinhuai District, Nanjing, Jiangsu Province, China
		 | 
			Nanjing,Jiangsu
		 | 
			Gulou District			
		 | 
			210029
		 | 
			China
		 | 2018-08-31 | 
| 
			Northeast Branch
		 | 
			Registered address:Room 2103, Building 8,Phase II,  Jilin Financial Building, Jingyue Development Zone, Changchun City, Jilin Province, China General office:Room 2603, Building 8,  Phase II,  Jilin Financial Building, Jingyue Development Zone, Changchun City, Jilin Province, China
		 | 
			Changchun,Jilin
		 | 
			Nanguan District			
		 | 
			130119
		 | 
			China
		 | 2016-06-23 | 
| 
			Mobile Telecommunication Surveying & Designing Institute
		 | 
			Floor 16 & 17, Besttone Holding Tower, 1207 Jiangning Road, Putuo District, Shanghai, China  
		 | 
			Shanghai
		 | 
			Putuo District			
		 | 
			200060
		 | 
			China
		 | 2016-06-23 | 
| 
			Shanghai Posts & Telecommunications Designing Consulting Institute Co.,Ltd 
		 | 
			Block 3,No.38, Guokang Road 
		 | 
			Shanghai
		 | 
			Yangpu District			
		 | 
			200092
		 | 
			China
		 | 2009-02-11 |