Is handmade Lamian Noodles a traditional food?

The key is to understand the meaning of the sentence "1 strip is folded in half after stretching, then folded in half after stretching, and folded into a buckle every time". In fact, every folding is twice as much as before, the first folding is 2, the second folding is 4, and the nth folding is 2 n, so pulling it 8 times is 2 8 = 256.