Ke Wei has developed his hairy-crab business ranging from breeding hairy crab fry to processing crab meat in his factory. His restaurant chain has a menu of 26 dishes using different parts of the crab. [Photo provided to China Daily]

If you go

Cheng Long Hang

There are now four branches of Cheng Long Hang's restaurants in Shanghai. If you are looking for a fancy environment for celebration or treat, the exclusive club-style location in Hongqiao is the right destination, which charges an extra 20 percent service fee. (No 1442, Hongqiao Road, Changning district; 021-6270-4130). Many Shanghai foodies' prefer the show of dissecting and savoring hairy crabs put on at the first and flagship store near People's Square. (No 216, Jiujiang Road, Huangpu district; 021-6321-2010)