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相对于金属、石材、木材,塑料制品具有成本低、可塑性强等优点,在国民经济中应用广泛,塑料工业在当今世界上占有极为重要的地位,多年来塑料制品的生产在世界各地高速度发展。数据统计显示,我国塑料制品产量在世界排名中始终位于前列,其中多种的塑料制品已经位于全球首位,我国已经成为世界塑料制品生产大国。从需求来看,目前我国人均塑料消费量与世界发达国家相比还有很大的差距。据统计,作为衡量一个国家塑料工业发展水平的指标塑钢比,我国仅为
Compared to metal, stone and wood, plastic products have the advantages of low cost and strong plasticity. They are widely used in the national economy. The plastics industry occupies an extremely important position in the world today. For many years, the production of plastic products has developed at high speeds around the world. . Statistics show that the output of plastic products in China has always been at the forefront of the world rankings, in which a variety of plastic products have been ranked first in the world, China has become the world’s largest producer of plastic products. From the perspective of demand, there is still a large gap between the per capita plastic consumption in China and the developed countries in the world. According to statistics, as a measure of the development level of a country’s plastics industry, the ratio of plastic to steel, China only