Xuwen County, Zhanjiang City, Guangdong Province, is located at the southernmost end of the mainland of China. It is not only the well-known "sea of pineapples", but also the pioneer area and the forefront of joint development of Guangdong and Hainan provinces. In the Pan Pearl River Delta region, Guangdong and Hainan provinces are geographically close and closely related, with a profound historical origin. In recent years, with the deepening of the construction of the Guangdong–Hong Kong–Macao Greater Bay Area and Hainan Free Trade Port, the cooperation between the two provinces in various fields has been deepening day by day, achieving mutual promotion, mutual benefit and win-win results and broad prospects for development. The bay port linkage, Guangdong and Hainan are moving towards each other and developing towards each other, working together to promote high-quality development and move towards the future. Deepen linkage and create a "new highland" for opening up to the outside world. In April, at the Third China International Consumer Goods Expo (hereinafter referred to as the "Consumer Expo") in Haikou, Hainan, there were 14 trade cooperation projects between Guangdong and Hainan provinces, including 5 on-site signed projects, involving multiple fields such as big health and consumer electronics. The world's largest passenger and cargo ro/ro port, Xuwen Port, has been put into operation. A year ago, Guangdong organized a trade delegation of more than 600 people to participate in the second Consumer Expo, and signed cooperation projects worth more than 1.5 billion yuan on site, including well-known enterprises in Guangdong Province such as GAC New Energy, DJI, Gree Electric, etc. At the same time, Hainan enterprises have joined Guangdong's economic and trade "circle of friends" and participated in the construction of the Guangdong–Hong Kong–Macao Greater Bay Area. The government departments have also actively established communication platforms. Since 2016, Hainan Province has organized 36 exchanges and cooperation activities with Guangdong Province in areas such as economic and trade exchanges and enterprise investment. Major opportunities, policy dividends, and sales channels are all important factors driving the strengthening of communication and cooperation between enterprises in the two regions. Enterprises are rushing in both directions to expand their domestic and international markets, which also confirms the market potential and open vitality brought by the Gulf Port linkage. Four years after the release of the Outline of the Development Plan for the Guangdong–Hong Kong–Macao Greater Bay Area, the three major platforms of Hengqin, Qianhai and Nansha are becoming "new windows" to promote high-level opening up; Since the release of the "Overall Plan for the Construction of Hainan Free Trade Port" three years ago, the high-level opening-up of Hainan Free Trade Port has been steadily advancing, and policy dividends have been continuously released. Gulf port linkage is to deepen the linkage of key platforms between the two places, deepen the linkage of Glasnost between the two places, promote the two places to become a "new benchmark" for China to promote higher level opening up, and build a "new highland" for China's opening up and exchange and cooperation. In January 2022, Qiongzhou Strait (Hainan) Ferry Transport Co., Ltd. will be officially put into operation, which is an important achievement of the integration of Guangdong, Hainan, port and shipping, and has also opened the pace of accelerating infrastructure construction in both cities. On both the north and south sides of Qiongzhou Strait, Zhanjiang Xuwen Port Comprehensive Transportation Hub has become the world's largest passenger and cargo ro ro terminal, and Haikou New Harbor Comprehensive Transportation Hub will become the largest port ro ro terminal in China when it is completed