Light is a specialized manufacturer of tortilla chips, Doritos, triangle corn chip machine based in China. Tortilla chips, Doritos, Tostitos, Don Tacos are snack foods made using corn powder. They are cut into wedges and then fried. And corn tortillas are made using corn, vegetable oil, salt and water. Though corn tortillas are usually made of yellow corn, they can also be made of white, blue, or red corn. After frying and flavoring, we finally get the very crunchy triangle chips which are popular with children and adults.