BEIJING, June 9, 2023 /PRNewswire/ -- Rongcheng City is China's largest kelp cultivation hub, with the cultivation area reaching 10,000 hectares.
Photo shows fishermen harvesting kelp in Rongcheng, east China's Shandong Province.
The annual production of Rongcheng's kelp accounts for 80 percent of the total output of Shandong Province, more than 40 percent of China's total.
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