Line location: according to the installation location, size and elevation in the drawing out of doors and Windows, doors and Windows on both sides of the doors and Windows to the edge line.
划线定位：根据设计图纸中门窗的安装位置、尺寸和标高，依据门窗中线向两边量出门窗边线。
Enterprises engaging in the installation of such facilities asr and surface carpeting work and doors and Windows for fabricated dings and structures.
对粗装建筑物、构筑物进行地面、表面铺装、门窗等设施安装的企业。
We are a fast growing firm specializing in projects of construction curtain wall, production and installation energy-saving windows and doors.
我司是一个在节能门窗和幕墙领域迅速增长的企业，集工程和生产为一体。
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