Situated at the southwestern end of China's coastal area,Guangxi Beibu Gulf Economic Zone mainly consists of four cities,that is ,Nanning, Beihai,Qinzhou and Fandgchenggang. To its east is Pearl River Delta, to its south, Beibu Gulf, to its back,southwest China and to its front, Southeast Asia. Standing at the convergence of South China economic rim, Southwestern China economic rim and ASEAN economic rim, linking the east,middle and west China,BGEZ plays an irreplaceable role in regional cooperation like PPRD, PBG and between China and ASEAN.