Ganlu homemade soy sauce "Goose Lake Ice Oil" won the gold medal of Panama World Expo. Unfortunately, it has been lost now. However, mannan herring has been passed down from generation to generation by virtue of its mature breeding technology. At present, there are more than 4,600 mu of fish ponds in the town, with an annual fishery output value of about 22 million yuan. In May, 1999, Mannan herring and turtle were successfully registered as "Mannan" brand trademarks, and were recognized as the first batch of pollution-free aquatic products in Jiangsu Province at the end of last year.

This is all I found.