According to Official Guinness Records,
The largest dried bean curd weighted 1,860 Kg (4,100 lbs) and was achieved by Sichuan Guozhu Bean Products Co. Ltd. in Yibin City, Nanxi County, China, on 26 October 2008.
Dried bean curd is tofu skin.
For a complete list of 2008 records, please visit 2008 Guinness Records in China.