PET belt commonly known as PET strap, is a kind of high density fiber packing belt, which is made from polyethylene terephthalate, this is an internationally recognized environmentally friendly products. It is a new type of packaging material which replace the steel belt, the product not only has the tensile strength of the steel belt, but also has the flexibility of the plastic belt. Nowadays, it widely used in wood, steel, aluminum, chemical fiber, cotton and other industries.