How to make the dough of steamed stuffed bun?

The method of filling soup with steamed stuffed bun is as follows:

Step 1: Pour a proper amount of flour into the basin. Preferably high-gluten flour.

Step 2: Pour proper amount of warm water (warm water in winter, cold water in summer, a little salt).

The third step is to live into a floccule.

Step 4: Continue to add warm water.

The fifth step, repeat several times until the dough is just wet and dry, basin-smooth, hand-smooth and face-smooth.

Step 6, cover the face with a wet cloth and burn it.

Step 7: After 10 minutes, continue kneading dough.

Step 8, repeat several times until the dough is very smooth and stiff.

Step 9: Take a piece of dough, knead it into long strips, and cut it into dosage forms of appropriate size, probably the size of jiaozi at ordinary times.

Step 10: Just flatten it and roll it into a round piece.