Door windows are provided, plus the windows are much money, Shijiazhuang Jianhua Avenue louver

 A security door after the installation of ventilation window will not damage the structure of the original doors? Installation of ventilation window, the original anti-theft door is not removed, according to the security door installed after you install the windows are safe, accounted for very small incision door has been installed in the user security door louver manufacturers, none door damage occurred or deformation 2, anti-theft security door after the installation of the windows are unsafe? External dimensions of this product is greater than the cut a lot, looks after the mounting bolts are not exposed, whether it is skiing, smashing, saws, windows can not be removed. 3, the effect of noise after the installation of the windows are small when the windows are open for ventilation when the door is shut the door and turned out not by the effect of the time when the windows are the same. Door installation of ventilation windows, poor air circulation is suitable for building, security doors available on the market with expensive ventilation louver windows, custom long period, has been renovated to replace tenants would damage the door, the original old the door can only be sold to scrap metal prices, resulting in a waste, not worth the candle. The product is characterized by the installation without removing the original door louver, inexpensive, yet beautiful, airy summer and winter ventilation, mosquito flies, bid farewell to the hot, can be opened relations, cold fire, improve ventilation, windows plus a small door in winter does not affect wool insulation. Fast and easy installation, does not destroy the existing door structure, does not affect the anti-theft feature. Since the products on the market, welcomed by users Door ventilation window, plus how much money hopper windows, the windows are provided by the Shijiazhuang Jianhua Street Shijiazhuang City Cleaning Services Limited Liang. Jane Shijiazhuang City Cleaning Services Limited (www.sjzlcfs.com) is Shijiazhuang, cleaning leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the pretty town of cleaning the leadership with the staff warmly welcome all inquiries negotiations to create the pretty town of cleaning a better future.