塑料门窗在杭州市的开发应用一、杭州市塑料门窗行业的基本情况１生产规模据了解，杭州市现有塑料门窗型材生产、门窗组装厂近２０家，已形成年产型材５０００ｔ，组装门窗３０万ｍ２的能力。占全国生产能力的１５％～２０％。杭州市主要型材生产厂见表１，门空组装... Development and Application of Plastic Doors and Windows in Hangzhou I. Basic Situation of Plastic Doors and Windows Industry in Hangzhou 1. Production Scale It is understood that there are nearly 20 plastic door and window profile production and door and window assembly plants in Hangzhou and an annual output of 5000t profile has been formed. 300,000 m2 capacity. It accounts for 1.5% to 2.0% of the national production capacity. Hangzhou main profile production plant see Table 1, door empty assembly...