1. Porphyra from Xiapu, Fujian. In 198s, Xiapu people used beaches for large-scale laver planting. With the continuous exploration of laver planting, the production scale, output and quality of Xiapu laver have been greatly improved. Xiapu County was awarded the title of "Hometown of Laver in China" by china aquatic products processing and marketing association. In the same year, "Xiapu Kelp" and "Xiapu Laver" officially passed the examination of the Trademark Office of the State Administration for Industry and Commerce and obtained the registration certificate of geographical indication certification trademark.

2. laver from Putian, Fujian. Fujian coastal areas are rich in laver, but Putian laver is "superior", with authentic taste and full flavor. Putian lives on the sea, where high-quality climate and water quality are excellent conditions for the growth of many seafood. Jiangshan Village, located in Shanting Town, the north bank of Putian, is a typical fishing village, but it is an important and famous laver production base in Putian, and is known as "the first laver village in China". In addition, "Putian laver" is also a national geographical indication certification trademark product.

3. laver from Niyu, Zhejiang. As the hometown of laver in Zhejiang, Niyu is rich in tidal flat resources and seawater resources, which is conducive to the growth of laver and is a natural laver breeding place. At the same time, as a dominant agriculture and fisheries industry in Dongtou District, Niyu Porphyra has a history of more than 4 years. In the 198s and 199s, the scale, output and output value of laver ranked first in the province, and it began to enjoy the reputation of "hometown of laver in Zhejiang Province".

4. Porphyra from Haishan, Guangdong. Haishan Town, formerly known as Penglai, is a town under the jurisdiction of Chaozhou City, Guangdong Province, which is located in the southern frontier of Raoping and the only island town in Chaozhou City. There are 17 villages in Haishan Town, where villagers make a living by going out to sea. Many seafood foods are produced, among which seaweed from seamounts is the most famous. There is a 3-kilometer-long beach in Raoping Seamount, on which lies a very long limestone impact rock zone, which is a world geological heritage, and this is the origin of high-quality laver.