There are many brands, such as delicious, Jiale, Lee Kum Kee, Haitian, Taitai Music, Heinz, etc. The price ranges from 5.5 to 6.8, among which "Heinz" is the most expensive. I don't know what the price is there. I think it is delicious and Heinz's is good. If I choose one, I prefer delicious.

Ketchup:

Tomato paste is a concentrated paste-like product of fresh tomatoes, which was first invented by China people in the19th century. It is a bright red sauce with the unique flavor of tomato, and it is a distinctive condiment, which is generally not directly eaten. Tomato paste is made from ripe red tomatoes by crushing, pulping, removing rough substances such as skins and seeds, concentrating, canning and sterilizing. Ketchup is often used as cooking seasoning for fish, meat and other foods, and it is a good seasoning for adding color, acid, freshness and fragrance. The application of tomato sauce is an important seasoning content to form the flavor characteristics of Hong Kong Cantonese cuisine.

Tomato paste, tomato paste, or tomato juice, is a common condiment made from mature tomatoes. The basic ingredients of tomato sauce are tomatoes, vinegar, sugar, salt, fragrant seeds and cloves, and cinnamon, onions, celery and other vegetables are often added.