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1 行业现状 对于以塑料异型材、塑料门窗为主的化学建材行业来说,作为主原料的PVC价格的走势可以说直接影响成本的高低和效益的好坏。一般PVC占塑料异型材成本的70%～80%,而其它辅助材料(ACR、钛白粉、氯化聚乙烯、复合稳定剂等)及生产管理费用、厂房、设备折旧等却仅占20％～30%。受国际原油输出国组织原油限产和国家严厉打击成品油走私的影响,自1999年起PVC价格大起小落,逐步攀升,受近两年我国扩大内需,加大基础设施建设和西部大开发政策的拉动,建筑市场特别活跃,塑料门窗、塑料管道等化
1 Status Quo of the Industry For the chemical building materials industry, which mainly consists of plastic profiles and plastic doors and windows, the trend of PVC prices as the main raw material can be said to directly affect the level of cost and the effectiveness of the benefits. General PVC accounts for 70% to 80% of the cost of plastic profiles, while other auxiliary materials (ACR, titanium dioxide, chlorinated polyethylene, composite stabilizers, etc.) and production management costs, plant, equipment, and depreciation account for only 20%. 30%. Affected by the limited production of crude oil from international crude oil exporting countries and severe crackdown on the smuggling of refined oil by the State, the price of PVC has been rising and falling since 1999, and has gradually risen. In the last two years, China has expanded domestic demand, increased infrastructure construction and Western development. Driven by policies, the construction market is particularly active, plastic doors and windows, plastic pipelines, etc.