In the 30s of the 20th century, Chen Jinghong, a native of Hechuan, Chongqing, began to sell twist flowers along the street in Ciqikou, and the name "Chen Twist" began to circulate in the community. In 2003, Chen Jinghong's grandson, Chen Changyin, industrialized the management of twist flowers, and then took the name of "Chen Changyin" as a registered trademark of Chen Twist.

Chen Mahua still insists on hand-made, embryo-making, embryo-pressing, strip rubbing and frying processes all follow the tradition, and the length of the product is strictly controlled at about 5 inches (13cm). The taste is fresh and crispy, the entrance is slag, and it will not be continuous for a long time. In terms of types, Chen Mahua has more than 10 flavors, including plain, salt and pepper, spicy, mung bean, chocolate and honey, with sweet, salty and spicy flavors. Nowadays, "if you don't eat Chen Mahua, you won't go to Ciqikou" has become a loud slogan in Ciqikou Ancient Town. In the Ciqikou main store, Chen Changyin will also make twist flowers on the spot, which often attracts a large number of tourists to stop and watch.

Today, Chenchang silver twist flowers are lined up in Chongqing, all over the city's popular attractions. At the entrance of each store, various flavors of bulk twist flowers will be placed for sale to maintain the mode of operation of roadside stalls. In addition, the store also offers a variety of travel sizes, gift packs, etc., which are convenient for customers to carry and give to relatives and friends, please consult the store staff for details.

Chen Jianping's twist against Chen Chang silver twist in Ciqikou is worth mentioning. According to Chen Jianping's twist official website, Chen Jianping was a senior pastry chef of the famous "Qianli Jialing" in the 40s of the last century. If you don't consider whether the brand is authentic or not, Chen Jianping twist can also be included in the purchase ranks.