All supermarkets. Sichuan Daqiao Kitchenware Co., Ltd. is a private enterprise restructured from the assets of Wutongqiao Pot Factory in Leshan City. Founded in 1939, it is the largest manufacturer of cast iron cookware in southwest China. The popularity of electric frying pans produced by this company is very high, which are sold in all supermarkets, and users can go to supermarkets to buy them.