7: 30 am to 8: 30 pm/kloc-0. The specific business hours of Sanfengqiao Sauce and Sparerib Head Office are arranged from 7: 30 am to 6: 30 pm. The sauce and spare ribs produced by Sanfengqiao are native products of Wuxi, which follow the combination of traditional formula and modern production technology for nearly a hundred years, and are characterized by red sauce, rich flavor, crisp bones and rotten meat, oily but not greasy. They are the best products for home travel and gifts to relatives and friends, and have become the representative of food in the south of the Yangtze River.