Haggis is a traditional Chinese delicacy, mainly composed of sheep's internal organs and meat products, such as sheep tripe, sheep liver, sheep lungs, sheep intestines, etc. Across China, there are different preparation methods and characteristics of haggis, so it is difficult to determine where the haggis is the best. The following are some famous haggis producing areas and brands:

1. Inner Mongolia: Inner Mongolia is one of the famous haggis producing areas in China. Its haggis is made with exquisite craftsmanship and delicious taste. Among them, local brands such as "Laosuiyuan Haggis" from Hohhot City and "Guo Auntie Haggis" from Baotou City are relatively famous.

2. Shaanxi: The haggis steamed bun in Shaanxi Province is one of the famous delicacies in China. It has unique production technology and delicious taste. Among them, local brands such as "Laosunjia Mutton Soaked Bun" and "Lao Mijia Mutton Soaked Bun" in Xi'an are relatively famous.

3. Gansu: Gansu Province is also famous for its haggis production. Among them, local brands such as "Majia Haggis" and "Pingliang Haggis" in Lanzhou City are relatively famous.

4. Sichuan: The production of haggis in Sichuan Province is also very unique. Among them, local brands such as "Chen Mapo Tofu" and "Taolin Hot Pot" in Chengdu are relatively famous.

To sum up, haggis is a special delicacy, and the preparation methods and tastes are different in different regions. Therefore, the best haggis depends on personal taste and preference.