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据预测,到2010年塑料门窗市场占有率由3％提至15％。塑料管由10％提至30％。仅此2项,需聚氯乙烯(PVC)硬制品600 kt。此外,我国新型中高档PVC防水材料年产达1亿平方米,
It is predicted that by 2010, the market share of plastic doors and windows will be raised from 3% to 15%. The plastic tube was raised from 10% to 30%. Only these two items require 600 kt of PVC hard products. In addition, China’s new medium-to-high-grade PVC waterproof material has an annual output of 100 million square meters.