1. Market demand: Fireworks are necessary items to celebrate special occasions and festivals, such as weddings, festivals and birthday parties. Hand-twisted fireworks factory can meet people's demand for fireworks and firecrackers in celebration activities, which is very profitable.

2. Manufacturing cost and profit: Fireworks factory makes fireworks by hand. Compared with the mechanized production process, the manufacturing cost is low. Through management and cost control, fireworks factories can profit from the sales price.