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My children asked me who invented mosquito coils. How should I answer?

The original mosquito-repellent incense appeared in the Song Dynasty and was further improved in the Jiangnan area in the Qing Dynasty. Although mosquito coils already existed in ancient China, it was foreigners who first carried out technological innovation and industrialized commodity production. In 1849, the British fortune brought the formula back to Europe. In 1902, Japanese Eiichiro Ueyama continued research and development, and mosquito coils were officially launched. In 1910, Eiichiro Ueyama designed the trademark as a rooster head and named it "Golden Bird Mosquito Repellent".