Shenyang old side Dumpling House is a restaurant, food processing, franchising in one of the "old" catering business. The old side Dumpling House was built in 1829, has been nearly 180 years of history, the old side of dumplings traditional production techniques are included in the municipal intangible cultural heritage, the old side of a trademark is well-known trademarks provinces. 2000-year-old side Dumpling House is Shanghai Great World Guinness recognized as "the world"s oldest Dumpling House."

Located in Yingbin Road, Benxi Manchu Autonomous County, Yangtang hall is the only place for Dashi lake, laobiangou, Benxi Water Cave and Huanren tourism county. It covers an area of 2000 square meters and has 100 employees. Over the past 20 years since its establishment, the Yangtang restaurant has always insisted on making the mutton soup with Manchu characteristics pure, which guarantees the "four Huhu" characteristics of mutton soup, which are oily, hot, rotten and fat.