Large opening area, good ventilation, good sealing, excellent sound insulation, heat preservation and impermeability. The open window is convenient to clean; The open window does not occupy space when it is opened. The disadvantage is that the window width is small and the vision is not wide. The opening of outwards opening window takes up a piece of space outside the wall, which is easily damaged when the wind blows; While the opening of in-swinging casement window takes up part of the indoor space, it is not convenient to use car window shade, and it is also inconvenient to use car window shade and curtains when opening the window, if the quality is not good, it may rain.
Devit's doors and windows are quite good. They are specialized in the production of doors and windows industry, and the quality is definitely far more than that of many brands.
Devit (Beijing) door and window Technology Co., Ltd. was established in 2007 with a registered capital of 5 million yuan. The company is located in dashihe engineering school base, Fangshan district, Beijing. In the high-grade functional system doors and windows design, research and development, supporting in one of the operation enterprises, by adhering to the high-tech, super sealing and eight-star quality strategy, has rapidly developed into a leading position in the door and window industry.
Our company's technology is changing with each passing day. After transformation, mold opening and research and development, traditional old doors and windows make ordinary casement window, system windows and translation pour inside windows, achieving super water tightness, air tightness, wind tightness, heat transfer coefficient.
The professional undertaking of the development team based on reputation, home decoration, tooling, various series Broken Bridge aluminum doors and windows, Sunshine Room, provides qualified doors and windows series products for consumers with different needs of different customers.
