A：Starting a sunflower oil refining business requires several steps including conducting market research and planning, getting high-quality sunflower seeds, investing in sunflower oil refining equipment and so on.

A：Sunflower oil extraction has a rigorous and delicate process. The sunflower oil extraction process includes six steps: seed selection, cleaning and drying, seed preparation, oil extraction, refining the oil, packaging and distribution.

A：The extraction process of sunflower oil includes multiple steps such as cleaning, shelling, kernel shell separation, cooking, pressing, filtering, and refining.

A：According to the size of the processing capacity, sunflower oil making machines can be divided into three different types, namely small, medium and large scale sunflower oil making machines