join. According to the inquiry of official website of Chengdu Xinmei Chicken offal Co., Ltd., in order to improve product popularity and increase revenue, Chengdu Xinmei Chicken offal supports joining, and only needs to pay 5, yuan to join. Chengdu, referred to as "Rong" for short, is also called Rongcheng and Jincheng, a prefecture-level city under the jurisdiction of Sichuan Province, a provincial capital, a sub-provincial city, a megacity, a national central city and a world food capital.