Q:How does the steel-plastic co-firing doors and windows angle?

As the rapid development of plastic doors and windows market, the rapid increase in manufacturers, the size of different sizes, the market is more chaotic, the quality of the profile is difficult to ensure that all meet the standard. Coupled with hand-workshop doors and windows processing workers in the steel lining cut corners, making the phenomenon more serious, and therefore difficult to apply to high-rise buildings. Even if the qualified profiles, adding reinforced steel lining, due to the addition of steel lining is not closed together, it is difficult to play the role of steel lining. As a result of the above-mentioned subjective and objective reasons, some experts have suggested that high-rise buildings using ordinary "plastic doors and windows" should take a cautious attitude. Third, steel and plastic coherent doors and windows of the technological breakthrough Although this technology has many advantages, but also after the aluminum-plastic composite rod elastic modulus is low, large cross-section, high cost weaknesses.

Q:Domestic doors and windows hardware top ten brands of advantages and disadvantages?

Domestic broken bridge aluminum doors and windows hardware brand has a lot ah! The brand should be divided into three six nine, etc., the current domestic reputation is good, country strong, Jun mind, Lixing, together, and so on, is a common product of construction projects, their products are known, I do not have to say, Please do not thank me!

Q:Domestic high-grade doors and windows hardware accessories which brand ah?

We have come into contact with the legislature, the country strong, and peace, spring, of course, we do not know

Q:What is the meaning of the maximum load of doors and windows hardware

Is the weight of the windows of the windows where the hardware is installed

Q:Broken bridge aluminum window hardware brand

Germany Nautus Gillia Italy Gisse Lonne Savoio what

Q:Germany Wei shield doors and windows of the advantages?

Design of Anti - mosquito Shade Window. Stealth screens, can choose to install inside and outside, with anti-mosquito, flies, especially for the northern mosquito area.

Q:The role of metal in the building

The most primitive form of window openings from the slightest change in the form of, its role is to withstand harsh outdoor lighting and weather at this time of the window material is very rich, from the goatskin parchment, horn linseed oil to thin paper - in fact, Any kind of translucent, light-permeable material can be used for windows .11 century with the construction of Christian churches and the application of a large number of stained glass, the role of windows to become decorative art to render the mystery of religion. before, "grilles" restricted glass production, are correspondingly small pieces of glass embedded into the contour grid fan of it. so this time window function is to shelter from the storm and prevent thieves invasion. until the 17th century late stage, progress with the times, glass industrial production, changes in the relationship between man and nature, people realized that the windows should be purely functional - not only a simple lighting, scenic, shelter from bad weather in the role. during the British disclosure straight edge of formula casement window (i.e. casement); Dutch invention the sash (i.e., pulling up and down the window), the vertical hanging direction of the slide ledge means controlled from a pulley marks. " The birth of window hardware system ".

Q:Now the most famous doors and windows hardware top ten brands which is it?

Build cattle, HC are quite good ~

Q:Hehe hardware, Kennedy hardware which is good? Thank you!

Each have their own good, and aluminum doors and windows are better, Kennedy Lang curtain wall is better

Q:What are the general hardware and special hardware for doors and windows in construction works? How to distinguish what is ordinary hardware which is a special hardware?

Door and window works does not exist special hardware, since it is engineering, it shows that the amount of quantity can be ordered to the hardware manufacturers! Bulk purchase of hardware is not special! Have to say special, single order to be considered!