Longgang Central City is a commercial center located in Longgang District, Shenzhen City, Guangdong Province, China. There are many farms around it that provide delicious food. Here are some delicious farms in the downtown area of Longgang:

1. Xidefeng Farm: Located in Nanlianhe Community, Longgang District, it is a Hakka-based farm. Special dishes include Hakka salted chicken, Hakka fermented bean curd, perilla fried rice noodles and so on.

2. Jiahao Farm: Located near Longcheng Square in the central city of Longgang District, it is a farm mainly based on Cantonese cuisine. The specialties are Cantonese roast meat, Chaoshan stew, boiled chicken and so on.

3. Lihu Farm: Located in Lihu Community in the central city of Longgang District, it is a farm mainly based on Hunan cuisine. Special dishes include fish head with chopped pepper, flavored duck, braised pork and so on.

4. Wei Zi Farm: Located in Wei Zi Community, the central city of Longgang District, it is a Cantonese-based farm. The specialties are Chaoshan stew, boiled chicken and Cantonese roast meat.

5. Xinya Farm: Located near Xinya Square in the downtown area of Longgang District, it is a farm mainly focusing on Asian cuisine. Special dishes include Thai red curry, Indian butter chicken, Japanese sushi and so on.

These are some delicious farms in the central city of Longgang. You can choose your own food according to your personal taste and preference.