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在五大通用树脂中,PVC树脂产能、产量都居首位,所用塑料助剂品种、数量也最多,是塑料建材中量大面广的重要材料之一。近年来,随着国民经济的持续高速增长,建筑业与塑料加工业大幅提升了PVC消费量,2007年中国已成为世界第一大PVC生产国。但由于PVC产能扩张速度快于下游制品行业的发展速度,2008年以来国内PVC市场供过于求矛盾凸显,行业竞争日益加剧,PVC及下游产品结构调整和行业整合已迫在眉睫。
Among the five general-purpose resins, PVC resin production capacity and output rank the first place. The types of plastic additives used are also the largest ones, making it one of the most important materials for plastic building materials in large quantities. In recent years, with the sustained rapid growth of the national economy, the construction and plastics processing industries have substantially increased PVC consumption. In 2007, China became the largest PVC producer in the world. However, due to the expansion of PVC capacity faster than downstream products industry, since 2008, the contradiction between the oversupply of the PVC market highlights the increasing competition in the industry, PVC and downstream product restructuring and industry consolidation is imminent.