The current full-bridge aluminum door and window industry can be said to be a mixed bag; there are all kinds of good, bad, cheap, expensive doors and windows, and the quality of broken bridge aluminum is not that easy to judge intuitively. Good or bad, the average consumer has no way of knowing whether their doors and windows are qualified. So choosing a larger brand can give you some protection. Some doors and windows are said to be broken bridge aluminum, but from aluminum to nylon in the middle, it may be anything. It is a product of cutting corners or even substituting beams, and the effect and lifespan are not guaranteed. For example, the Warren doors and windows that I know are relatively big-name doors and windows in Beijing. There are also many TV programs sponsored by them. The price is not the cheapest, but the products must be high-end. It’s a good product. You can buy it with confidence and use it with peace of mind. The price is a bit high, but I heard that Warren’s terminal discounts at the easy-loading group purchase are quite big. It’s hundreds per square meter cheaper than buying in the store. If you are interested, you should go Find out more