据预测,到2010年,如果塑料门窗的市场占有率由3%增至15%,塑料管由10%提高到30%,仅此两项即需求聚氯乙烯硬制品60万吨以上,加上其他建筑塑料及装饰材料,我国年需塑料将在100万吨以上。此外,我国新型中高档防水材料年产能力达1亿平方米,墙纸生产能力为59亿平方米,因此,我国聚氯乙烯制品市场前景将十分乐观。今年,全国新建住宅室内排水管的5%、电线保护管的50%、雨水管的20%、新建城市 It is predicted that by 2010, if the market share of plastic doors and windows is increased from 3% to 15%, the plastic pipe will be increased from 10% to 30%, and only these two items will require more than 600,000 tons of PVC hard products. Other building plastics and decorative materials, China’s annual demand for plastic will be more than 1 million tons. In addition, China’s new middle-to-high grade waterproof material has an annual production capacity of 100 million square meters, and the wallpaper production capacity is 5.9 billion square meters. Therefore, the market outlook for China’s PVC products will be very optimistic. This year, 5% of new domestic residential indoor drainage pipes, 50% of wire protection pipes, 20% of rainwater pipes, and newly built cities