According to information from the Information Office of the Yantai Municipal People's Government, the only large-scale undersea gold mine in China and the largest in Asia was newly discovered in the northern waters of Sanshan Island in Laizhou City. The city has accumulated proven reserves of more than 3,900 tons of gold resources, accounting for about 26% of the country, ranking first in the country in terms of gold ore resource reserves and production.

According to information from the Information Office of the Yantai Municipal People's Government, the only large-scale undersea gold mine in China and the largest in Asia was newly discovered in the northern waters of Sanshan Island in Laizhou City. The city has accumulated proven reserves of more than 3,900 tons of gold resources, accounting for about 26% of the country, ranking first in the country in terms of gold ore resource reserves and production.