The relationship between Zhangqiu wok and Zhensanhuan is that Zhensanhuan is one of Zhangqiu wok manufacturers. The full name of Zhensanhuan is Jinan Sanhuan Kitchenware Co., Ltd., and it is also a member of Jinan Zhangqiu Blacksmith Handicraft Association. The iron pot produced by Zhensanhuan can use the trademark of Zhangqiu Iron Pot. Zhensanhuan, a traditional non-legacy kitchenware under Jinan Sanhuan Kitchenware Co., Ltd., is a brand of traditional non-legacy kitchenware under Jinan Sanhuan Kitchenware Co., Ltd. [1], which mainly operates the whole industrial chain for practical and life-oriented China traditional non-legacy cultural products. At present, the main products of the brand are Zhangqiu iron pot, cast iron pot, hand-made kitchen knife, casserole, copper chafing dish and related kitchen daily necessities 20 17 10. After many interviews, the "Tip of the Tongue 3" photography team finally decided to shoot. After the program was broadcast, Zhangqiu Iron Pot became famous overnight, with the mission of inheriting China traditional culture and building China traditional kitchen, and advocating natural health with utensils as the carrier.