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

A：The cost of sunflower oil processing line depends on the cost of machines/land/labor/material and other aspects. It's about usd 30000-700000, Henan Glory can provide you with the following information for your reference.