人民生活水平不断提高，门窗及其衍生产品的种类不断增多，档次逐步上升，例如隔热铝合金门窗、木铝复合门窗、铝木复合门窗、实木门窗、阳光能源屋、家庄电动伸缩门 保定桌椅  保定水处理设备 河北机械加工 北京电动门  保定养老院  保定防水玻璃幕墙、木质幕墙等等。
With the continuous improvement of people's living standards, the types and grades of doors and windows and their derivatives are increasing, such as thermal insulation aluminum alloy doors and windows, wood aluminum composite doors and windows, solid wood doors and windows, solar energy house, glass curtain wall, wooden curtain wall, etc.
⒉按开启方式可分为：平开，对开，推拉，折叠，上悬，外翻等等。
2. According to the opening mode, it can be divided into: flat opening, opposite opening, pushing and pulling, folding, hanging up, valgus, etc.