Consumer behavior and demand for food. In the daily life of the people. At present, interested in valuable and beneficial diet tea, body clean, safe from all residues, especially chemicals. Trend product crop types and claims that there are more and more quality. In the major markets, especially in foreign countries, the importance of standard items. The certification of products The certification of products Check the source of the item so that item in a production environment to consume the product, you will need to focus on the images to start the production of raw materials source ตั้, but until the hand. Consumers.