PVC in people's daily life can be seen everywhere. PVC can not only show the color of nature, but also the performance of people's fantasy color. In Germany, 40% of the furniture is made of PVC surface materials, such as desks, shelves, sofas, cabinets and so on. It is a favorite, popular and widely used synthetic material in today's world. Its global usage ranks second among all composites. According to statistics, in 1995 alone, there were about 5 million tons of PVC produced in Europe, while its consumption was 5.3 million tons. In Germany, the production and consumption of PVC average 1.4 million tons. PVC is being manufactured and applied worldwide at a 4% growth rate. The growth in Southeast Asia is particularly significant.