Usually the traditional pressing method to the edible oil is called caraway oil, the low temperature cold pressing method to get the edible oil is called linseed oil.
You can think of caraway oil and linseed oil as the same type of different uses of the two edible oils, that is, the traditional cooking oil and emerging health and nutritional oil.
Hemp oil: is an ancient edible oil, it is from the Hu family plant fat hemp seeds extracted fat oil. Hemp is cold-loving and cold-resistant, suitable for growth in the west, the north of the alpine and arid areas.
Linseed oil: is the oil extracted from flaxseed, mainly produced in Canada, China, Argentina, the United States.