There is a famous man named Wu Yutang, but he is not a pot maker. You should have the manufacturer's seal on the bottom of the teapot.
Wu Yutang (1932~) is a native of Meizhou, Guangdong. Graduated from Wuxi Calligraphy Art College by correspondence. Academician of Central Academy of Calligraphy and Painting, member of China Artists Association, member of China-Korea Culture and Art Expert Committee, member of Oriental Artists Center, member of Oriental Calligraphy Research Association, member of Chinese-foreign Calligraphy Art Friendship Association, member of Huaihai Calligraphy Art Research Association, member of Lizhou Calligraphy and Painting Society, member of World Calligraphers Association, member of Provincial Calligraphers Association and director of Municipal Calligraphers Association. His work won the Excellence Award in Dongfeng Beilin Poetry and Calligraphy International Competition. His works won the Excellence Award in the "Yangtze Cup" National Painting and Calligraphy Grand Prix and were included in the "Yangtze Cup Selected Works"; Won the "Golden Dragon Award" National Painting and Calligraphy Competition Excellence Award. His works were selected for the Huafeng Painting and Calligraphy Exhibition in Japan and collected. He won the masterpiece prize in the "Volkswagen Cup" national painting and calligraphy competition, was included in the "China ink stick Friends Collection", won the masterpiece prize in the "Shengjing Cup" national painting and calligraphy exhibition competition, and was selected to be exhibited and collected in Akita, Japan. Won the bronze medal of "Red Cup". His works have been included in Li Hebei's Exhibition of Fine Arts at Home and Abroad and the Grand View of Contemporary Painter Fu Shou's Works. Biographies have been compiled into Who's Who of Modern Calligraphy in China, Exhibition of Famous Artists of Fine Calligraphy in China, Who of Contemporary Art in China, etc.