据悉,即使是去年四季度受金融危机拖累,2008年我国塑料管道产品产量达460万吨,比上年增长了31.4%。业内人士认为:塑料管道产品每年大于10%的增速有可能要持续三四十年。与发达国家相比,中国目前在市政公用设施方面还相对落后。今后10~20年的时间内,城市的市政公用设施投资需求 It is learned that even in the fourth quarter of last year, dragged down by the financial crisis, the output of plastic pipe products in China reached 4.6 million tons in 2008, an increase of 31.4% over the previous year. The industry believes that: plastic pipe products more than 10% annual growth rate may last for three or four years. Compared with developed countries, China is still relatively backward in terms of municipal utilities. In the next 10 to 20 years, the urban public utilities investment needs