目前哈尔滨市有塑钢门窗组装单位４００余家，其生产能力、技术水平和产品价格都大不相同。如何鉴别其产品的质量一直是消费者关心的问题，本文介绍塑钢门窗方面的一些常识和简单的鉴别方法。 一、塑钢窗的种类 按开启型分类：平开窗、推拉窗、固定窗、悬窗等。 按构造分类：单 At present, there are more than 400 plastic steel doors and windows assembly units in Harbin City, and their production capacity, technical level, and product prices are all very different. How to identify the quality of its products has always been a concern for consumers. This article describes some common sense and simple identification methods for steel doors and windows. First, the type of plastic window According to the open type classification: flat window, sliding window, fixed window, hanging window and so on. Classified by structure: single