Except "Yantai sea cucumber" and "Yantai abalone", which of the following are national geographical indication certification trademarks?

Yantai sea sausage (correct answer)

Yantai scallops (correct answer)

Yantai turbot (correct answer)

Yantai Kelp

Answer analysis: After "Yantai Sea Cucumber" and "Yantai Abalone" obtained the National Geographical Indication Certification Trademark, "Yantai Sea Sausage", "Yantai Scallop" and "Yantai Scallop" were applied by the Yantai Marine Economic Research Institute. Three national geographical indication certification trademarks, including "Yantai Turbot", were officially approved and registered by the State Intellectual Property Office.