Evacuated tube solar cooker

Longpu solar cooker oven is made of 137mm large diameter high borosilicate double-layer glass solar vacuum tubes.There is a vacuum between the inner and outer glass tubes. Spectral selective absorption coatings are coated on the surface of inner glass tubes by special technology to maximize the absorption of solar radiation energy. After sunlight and photons hitting the coating, the solar energy is converted into heat energy, and the food is heated in the way of airless sun.You can cook any foods, kebab, bread, sweet potato, apple, peanut, steaming rice, porridge, soup, and etc.