聚酰胺工程塑料市场预测史向前作为第一种用于工程的热塑性塑料①，聚酰胺近年来以６％～１０％的年增长率发展。五十多年来世界各国有２０家大企业生产聚酰胺，累积总产量超过１亿吨。聚酰胺工程塑料品种结构变化繁多，应用领域日益广泛，在工程塑料②中处领先地位。本文... Polyamide Engineering Plastics market forecast History As the first thermoplastic used in engineering ①, polyamide in recent years with 6% to 10% annual growth rate of development. Over the past 50 years, 20 major corporations in the world have been producing polyamides, accumulating more than 100 million tons of accumulated output. Variety of polyamide engineering plastics variety of structures, increasingly wide range of applications, ② in the engineering plastics leading position. This article...