Dahang is an American brand, which is also produced in China.
Mainly depends on what price to buy. Well-known manufacturers have similar quality at the same price. The only difference is the design style. Famous brand products are expensive, including design price and brand value.
Non-brand folding bicycles are mainly poor in weight and folding safety and poor in warranty.
For example, in big banks, borders and folding buckles are guaranteed for three years. The after-sales service is also very good.
If you buy a high-end car above 1W, there are many imported brands, such as Bird.
If you just ride it as a modern walking tool, you won't see anyone riding badly at a discount of 200~300, so it doesn't matter what you buy. If you are a hobby or like to modify, you can buy a brand. However, even brand sports folding bikes are only folding bikes, and folding bikes cannot be used for high-intensity off-road and long-term bumpy roads. Why don't you just buy a mountain?
It's good to buy Giant and Merida at home.