Shandong Rong adult. Quanjude Roast Duck Restaurant was founded by Yang Shoushan in 1864. In January 1999, "Quanjude" was recognized as a "well-known trademark" by the State Administration for Industry and Commerce, and it was the first well-known trademark of China in China. According to the inquiry data, Quanjude Sun hardcore is a famous roast duck teacher, whose ancestral home is Rongcheng, Shandong, so he is an adult in Shandong. Rongcheng City, a county-level city under the jurisdiction of Shandong Province, is hosted by Weihai City and located at the easternmost tip of Shandong Peninsula.