| CCS Guangzhou Branch | 
          
                  | Maritime Safety Administration of Shenzhen | 
          
                  | Zhanjiang Port Pilot Station | 
          
                  | Shenzhen Port Pilot Station | 
          
                  | Zhanjiang Institute of Navigation (Zhanjiang Maritime Safety Administration) | 
          
                  | Guangdong Institute of Navigation(Guangzhou Maritime Transport (Group) Co., Ltd.) | 
          
                  | Shenzhen Shipping Association (Shenzhen Ocean Shipping Co., Ltd.) | 
          
                  | Headquarters of South Sea Fleet(Navigation Guarantee Department, Military Training Department ) | 
          
                  | Maritime Safety Administration of Guangxi Province | 
          
                  | Guangxi Institute of Navigation(Transport Department of Guangxi Province) | 
          
                  | Port Pilot Station of Hainan Province | 
          
                  | Chongqing Institute of Navigation (Chongqing Changjiang Shipping Corporation) | 
          
                  | Sichuan Institute of Navigation (Administration of Navigational Affairs of Communications Department ) | 
          
                  | Guizhou Institute of Navigation (Maritime Safety Administration of Guizhou Province) | 
          
                  | Yunnan Institute of Navigation (Maritime Safety Administration of Yunnan Province) | 
          
                  | Maritime Safety Administration of Yunnan Province | 
          
                  | COSCO (Hong Kong) Shipping Co.,Ltd | 
          
                  | Shanghai Institute of Navigation (Shanghai Ocean Shipping Group Corporation) | 
          
                  | Shanghai Ship and Shipping Research Institute (SSSRI) | 
          
                  | Jiangsu Institute of Navigation (Nantong Shipping College) |