First: the main profile - because the frameless balcony window is frameless, the weight is mainly supported by the upper and lower rails - that is, the aluminum alloy profile. In the area where the typhoon weather is frequent in Xiamen, the upper and lower profiles must be thick enough, that is, 3mm. Instead of 2.0 or 2.5 and the material must be made in Shanghai, the material produced in Guangzhou has a poor finish and is easy to fall off, and often the thickness does not match the actual. Second: Glass - Glass must be made of special tempered glass produced by Dachang, with 3C safety certification, and some small storefronts will use ordinary glass or semi-tempered glass, which is very dangerous. Third: accessories - especially the wheels, should use stainless steel bearing silencer, instead of nylon wheels, because the nylon wheel is not smooth and easy to age, once it breaks, the window falls off, the danger is great. Fourth: workmanship - because the frameless balcony window is tailor-made, the process requirements are relatively high, so the master's technology is particularly important, must be experienced master production and installation, so that the frameless window can be pushed up smoothly, Aesthetics, quality is guaranteed. It is recommended that after the installation of the frameless balcony window is completed, it will be paid after careful acceptance. Fifth: credibility - and last, you must find a reputable, experienced manufacturer, and it is best to direct sales, so that the price can be relatively low. Although the quality of the building materials city is relatively safe, but the price is expensive, if you spend more time and find the direct selling manufacturers (the brand products in the building materials city are generally provided by these manufacturers), the price can save at least 40%. Finding such a direct selling factory is actually very easy, and a search on the network is fine.
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