<p>Erduoyan production has a hundred years of history, the location of erduoyan alleyway exit outside the northern gate, by many diners dubbed erduoyan, popular. Because a fried cake shop close to only 1 meters wide, narrow alley - erduoyan alleyway, people began to call the funny erduoyan fried cake shop Liu ji. Although the puppet period had changed its name to "Zeng Sheng", but the erduoyan shop is called louder. Fried cake is also called "erduoyan"</p>