1　美国有大型新增计划1998年以来 ,世界聚氯乙烯业厂家以欧美为中心急速推进合并收购集约重组 ,产能世界排名发生大的变化。原因是世界性供需缓和 ,毛利低下 ,各生产厂家采取扩大规模的合理化措施。在美国 ,1999年 3月 Oxy化学公司与季永公司的电解、VCM、PVC合并 ,组建 Oxy V 1 The United States has a large-scale new plan Since 1998, the world’s PVC manufacturers have rapidly promoted the merger and acquisition intensive reorganization with Europe and the United States as the center, and the world ranking of production capacity has undergone major changes. The reason is that the world’s supply and demand have eased, and gross profit has been low. Each manufacturer has taken steps to increase the scale of rationalization. In the United States, in March 1999, Oxy Chemical Company merged with Jiyong Company’s electrolysis, VCM, and PVC to form Oxy V.