PVC can be divided into hard and soft PVC PVC. Hard PVC accounts for about 2/3 market, soft PVC 1/3. Soft PVC typically used in floors, ceilings and leather surface, but contain softeners in soft PVC (which is the difference between hard and soft PVC PVC), can become brittle and difficult to save, so its use was very limited. Hard PVC does not contain softening agents, good flexibility, easy molding, not brittle, toxic pollution, saves time, and therefore has a great application value. Below are referred to as PVC. PVC is the essence of a vacuum film, surface package for the various types of Panel, also known as decorative film, film, used in building materials, packaging, pharmaceuticals, and many other industries. Which building materials industries accounted for the largest proportion, at 60%, followed by the packaging industry, there are a number of other small-scale industries.