The vast majority of people believe that the PVC or plastic is toxic, but in fact the PVC and plastic is a general designation, annexed to petrochemical products, have been widely used in the production and life, is only part of it is contained in said people often think of "chlorine atoms and be mistaken for toxic, we use the tableware, as well as the hospital infusion, and so on, is like the water we drink is hydrogen element, is water also poisonous!