There are many brands of duck tongue in Wenzhou: Chuxu, Shuangkang, Tengqiao, Xiuwen, Babaxiang, Zhouheiya, Lusheng, Jingwu, Daying, Lifeng, Osmanthus Duck, Huangshanghuang, Crackle, Yijiaxiang, Jin

Dan, Huaying, Deji, Jiulixiang, Laohou, etc. Personally, I think Chuxu, Shuangkang, Tengqiao and Xiuwen are better.