Old Three Rivers Tofu Silk. According to the query Baidu map can be seen, Langfang three rivers tofu silk catering limited company is located in Langfang City, Hebei Province, Hebei Province, Sanhe City, Yanjiao High-tech Zone, 102 National Highway north side of the east of the fifth East Road east side of the Lei Jie Times Square, is all the three rivers tofu silk in the best taste, and the production process is clean and hygienic, shredded cooler, colorful fresh amount, taste delicious, the family's most authentic. Three rivers of tofu silk is a delicious Langfang specialties, characterized by eating mouthfuls of refreshing, long food is not greasy, very popular Langfang people.