The petrochemical industry is one of the fundamental industries for a country’s development, and the development of the industry itself brings broad benefits to national economic development. In addition to the downstream products of the petrochemical industry which are widely used in people’s everyday lives, about 60~70% of hardware for industries, including the information, electronics and automotive industries as well as precision products, come from the petrochemical industry. Examples of such products include components, hard cases, tires and chemicals. Therefore the petrochemical industry is not only a nation’s livelihood industry, but also an indispensable fundamental industry for the development of high-tech industries....