How to make authentic crispy fried dough sticks?

Hello, there are many recipes for crispy fried dough sticks, but few of them are processed in batches. The formula of fried dough sticks with crisp outside and soft inside without alum is: medium gluten flour 9.5 kg, foam source 100- 150 g, baking soda 50 g, egg 0.5 kg, butter (cream or shortening), sugar 20-60 g, etc. Technology: dry and mix flour and foam. Add eggs, salt, sugar, sodium bicarbonate, etc. Add flour and water, stir to dissolve, then add flour and butter to form dough, do not knead the dough. Cover the dough with a wet cloth, stir-fry for 10 minute, knead once, stir-fry for 10 minute, knead again, knead into strips, wrap with plastic wrap, and ferment at low temperature for 8- 12 hours. Then take it out and shape it, and fry it in a 200-degree oil pan until it is crisp.