2. Starch gelatinization technology is a very simple and common technology. How can it be high-tech? Please provide a non-PS version of the patent certificate for you to see!
3: glutinous rice glue? Seeing this word, the whole wallpaper adhesive industry laughed! I suggest you ask the company to provide the inspection report of glutinous rice as glue, otherwise you can sue the company for false propaganda! Under the electron microscope, no matter what starch is used, you can see it clearly!