Beihai City is located on the South China Sea. It was called Hepu County in ancient times. It is the earliest and earliest departure port of the Maritime Silk Road founded in the Han Dynasty. Liuhu ancient tea produced in Dalian Mountain in Liuhu, Beihai, is exported overseas via the Maritime Silk Road due to its proximity to the port of departure. After more than 2,000 years of vicissitudes, the history of the Maritime Silk Road and Dalian Mountain has gradually been lost, and Liuhu ancient tea has become a little-known local "local tea". In April 2017, he inspected Beihai and issued important instructions to "write a new chapter for the Maritime Silk Road in the new century." More than 20 days later, the "Belt and Road" World Summit Forum was held, and the history of Beihai as an important starting port for the Maritime Silk Road was re-understood. . Liuhu Ancient Tea Family has conducted in-depth research and exploration of the history of Beihai and Beibu Gulf, combined with elements such as Maritime Silk Road culture, ocean culture, local tea culture, collection culture, etc., and became the first in the country to name Haisi ancient tea and create a Haisi ancient tea brand. Nearly 20 series of registered trademarks including Beibu Gulf Haisi Ancient Tea, Liuhu Ancient Tea, Liuhu Silver Tea, etc. were registered, and Guangxi Haisi Ancient Tea Co., Ltd. was established. Haisi Ancient Tea is the brand name developed and specialized by Guangxi Haisi Ancient Tea Co., Ltd., as well as the trade name. Guangxi Haisi Ancient Tea Co., Ltd. is the only unit in the country that operates Haisi Ancient Tea. It is the vice-president unit of the Beihai Tourism Association, a member of the Municipal Federation of Industry and Commerce, a member of the Autonomous Region Tea Society, and a member of the Autonomous Region Specialty Tourism Commodities Circulation Association. Guo Tianying, the twelfth generation descendant of Haisi Ancient Tea, wrote "Poetry on Haisi Ancient Tea", which was widely circulated, and guided Tang Qingguo, Guo Xiaoge and others to write and publish the paper "Research on Haisi Ancient Tea Culture", which was the first systematic study in the country. Academic papers on the Maritime Silk Road and the history and culture of ancient tea on the Maritime Silk Road, Beihai Four Teas, "Ancient Tea Song on the Maritime Silk Road", the legend of the Little Dragon Girl in the South China Sea "a box of silver tea and a box of silver", the imperial pen of Empress Dowager Cixi of the Qing Dynasty A plaque titled "Wealthy Changchun" and so on.

On January 22, 2021, Lu Xingdong, director of the Beihai Municipal Tourism, Culture and Sports Bureau, led a team to the Dalian Mountain Tea Base of Guangxi Haisi Ancient Tea Co., Ltd. to conduct research and guidance; on May 21, 2021, Beihai Feng Qunsheng, Director of the Municipal Rural Agriculture Bureau, led Haisi Ancient Tea to participate in the "2021 Guangxi International Tea Day Event" hosted by the Propaganda Department of the Autonomous Region Party Committee and the Rural Agriculture Department of the Autonomous Region; On December 10, 2021, Liu Boxian, Member of the Standing Committee of the Beihai Municipal Party Committee and Minister of Propaganda, visited Guidance work for the Haisi Ancient Tea Culture Exhibition. From 2020 to 2022, Beihai Haisi Ancient Tea participated in the Guangxi Tea Expo, Guangxi Creative Design Exhibition Specialty Product Exhibition, China-ASEAN Expo Tourism Exhibition, Beihai City’s Fifth and Sixth Folk Culture and Art Expo and other activities, creating "Beihai "Folk Culture and Art Expo Commemorative Tea" holds the Haisi Ancient Tea Culture Exhibition, which is the first local tea culture exhibition in Beihai City. In 2021, Beihai Sea Silk Ancient Tea was featured in CCTV advertisements and won the Excellence Award in the "Guangxi Youli" Specialty Tourism Product Competition hosted by the Autonomous Region Department of Culture and Tourism.

Haisi Ancient Tea, also known as Beihai Haisi Ancient Tea, Beibu Gulf Haisi Ancient Tea, and Guangxi Haisi Ancient Tea, has become a famous tourist specialty of Beihai, a nationally renowned tea brand, and the history of Beihai and Beibu Gulf. A picture of ocean customs and Maritime Silk Road culture. (Research on Maritime Silk Road Culture)