Both Beijing and Tianjin are big cities with rich cultural background and historical background in China, and each has its own unique local products. The following are some unique local products that are available in Beijing but not in Tianjin:

1. Beijing sugar-coated gourd: It is a traditional snack in Beijing with bunched fruits and vegetables such as hawthorn, strawberry and cherry dipped in rich sugar juice and covered with a thin layer of sugar coating.

2. Kyoto coffee: The coffee beans from the Iberian Auditorium of the United Nations are roasted in Beijing, extracted by water pressure filtration, with rich taste and faint floral fragrance. It is a coffee brand with Beijing characteristics.

3. Sanwei Duck Tongue: Duck Tongue is fried with brown sugar, ginger, soy sauce and other seasonings. It is delicious and tender, and it is a famous snack in Beijing.

4. Langfang white rabbit toffee: Although it is not a local specialty in Beijing, it is a famous specialty in North China and has great popularity and market demand in Beijing. It is one of the accompanying gifts that Beijing people like to buy.

In short, Beijing and Tianjin have many unique local products. No matter where you come from, you can taste different flavors of food and feel the cultural atmosphere of different regions.