Food Grade Stainless Steel: Oil pressed machine is made of food grade brushed stainless steel, which is durable and safe. polished edges to avoid cuts on hands 2 Modes of Oil Pressing: Cold and hot. cold pressing better retains the nutritional value of the oil; hot pressing can squeeze the oil more efficiently Easy To Use: Just plug in, feed the seeds into the hopper, then press start, it would automatically process. You can add materials continuously at any time during the process, no need to pause Wide Application: Automatic oil press machine for private and commercial use. just squeeze the natural oil at home and enjoy a healthier life Extractable Oil Material: Oil extract rate and suitable for most of the oil content is more than 25% of the oil crops, such as peanut, sunflower, tea, walnut, olive, coconut oil, flax, etc