>>> Links: Four advantages of steel doors and windows

1. Look at the main profile: the wall thickness and material description of the main beam (because all the components of the frameless balcony window are eaten on the upper beam), whether the fit between the profile and the fitting is tight and whether it moves smoothly. The balcony windows with poor quality and design tend to have a lot of noise when the window sash moves, and the hand feel is not smooth.

2. See if the fittings use secure, solid barometric rivets. Some manufacturers use ordinary steel rivets to reduce costs. This will cause the frameless balconies to loosen or even fall off as soon as they are used. There are also moving axles, depending on its material composition and shaft quality, and whether or not there are bearings inside.

3. See if the glass has passed the national 3c compulsory safety certification and the original glass. Since the frameless balcony window does not have an intermediate stand frame, this requires a high degree of glass, and some manufacturers use ordinary tempered glass in order to reduce costs, and the cost per square meter can be reduced by more than 30-60 yuan. 4. To see if the manufacturer is a one-stop service (business, measurement, design drawing, installation, after-sales service), whether there is qualification certification, some manufacturers do not have their own professional team, only a few salesmen. After receiving an order and changing hands to others, such a product has no quality assurance and credibility.

5. See if the manufacturer's technology is professional and perfect and the service is perfect and guaranteed. Frameless balcony windows have high requirements in the design, production and installation, such as some high and low balcony, multi-angle balcony manufacturers technology is not off, it is difficult to handle in place, there is a perfect after-sales service, but also frameless Balcony window quality assurance basis.

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