In August 2015, it was rated as "Chongqing time honored brand".

Dandan noodles, one of Chongqing People"s favorite snacks, has a history of 170 years. As for Chongqing Dandan noodles, "Zhengdong Dandan noodles" has the most say. Its brand was founded in 1936. The main variety of Dandan noodles is one of the characteristic snacks which have been passed down for a long time in Chongqing and its surrounding areas. Because of its unique flavor, it is deeply loved by the public, and has a wide influence among the people of Bashu and has a high national and folk cultural value.