Report on the opening up and development of Guangxi Beihu gulf economic zone Report on the opening up and development of Guangxi Beihu Gulf Economic Zone Report on the opening up and development of Guangxi Beibu Gulf Economic Zone 并列题名：Report on the opening up and development of Guangxi Beihu Gulf Economic Zone Report on the cooperation and development of Pan-beibu gulf area Report on the cooperation and development of Pan-Beibu gulf area Report on the green development of Yangtze River economic belt Report on the development of Shandong peninsula blue economic zone Report on the cooperation and developmentof Pan-Beibu gulf area Report on the development of Shangdong peninsula blue economic zone