Sayur Tong Choi cuisine is golden, rich in flavor and well-known.It is a kind of seasoning made from cutting cabbage into pieces and processing guns. it can be used to brew soup and stir-fry dishes. it is a standing product in the kitchen.Tianjin winter vegetable production and processing is mainly concentrated in the southern area of jinghai county, which is also the birthplace of tianjin winter vegetable.