建筑门窗近年的发展使消费者有一种跟不上的感觉,继木质、钢质、铝质门窗之后,塑料门窗一直雄居市场,依然趋旺。目前,我国从中央到地方各级政府都已经注意到塑料门窗的优越性,并先后制订了普及计划。1999年,全国化学建材协调组颁发《推广应用化学建材和限制淘汰落后技术与产品 In recent years, the development of building windows and doors has caused consumers to have a sense of being unable to keep up. Following the wooden, steel, and aluminum doors and windows, plastic doors and windows have been dominating the market and are still prosperous. At present, all levels of government in the country, from the central government to local governments, have already noticed the superiority of plastic doors and windows, and have successively formulated popularization plans. In 1999, the National Chemical Building Materials Coordination Group issued "Promote the use of chemical building materials and limit the elimination of outdated technologies and products.