... oil is one kind of edible oil in the world, especially for cooking oil. Cottonseed ... is one kind of edible oil in the world, which the byproduct in the industry of cotton planting. After ... Cotton usually grow in the torrid zone and subtropical zone, in our country most of cotton plant in Henan, Hebei, Jiangsu, and ... is one of the most popular edible oils in China.Semifinished cotton oil is a kind of ...