Why is there such a big price difference between seemingly identical broken bridge aluminum windows? What’s the reason?

Release date:

2025-09-01


  Market prices for断桥铝 doors and windows vary widely, with price differences of up to 700 yuan per square meter. At first glance, they don’t seem much different—but then again, what exactly accounts for these variations?
  Market prices for断桥铝 doors and windows are indeed quite chaotic—how exactly so? Take the 55断桥 door, for instance: some can be found for as low as 300 to 400 yuan per square meter, while others soar to 700 to 800 yuan per square meter, and in some cases even exceed 1,000 yuan per square meter. So, what exactly explains these huge price differences? Today, we’ll break it down for you by comparing materials and craftsmanship.
  a. Currently, 55断桥 profiles available on the market range in thickness from 1.2mm to 1.8mm—yet even a single 6-meter-long profile can vary in price by as much as 60 to 70 yuan simply due to differences in thickness.


  a. The 55断桥 insulated glass is available in three types: non-tempered insulated, single-sided tempered insulated, and double-sided tempered insulated. Non-tempered insulated glass costs approximately 70 yuan per square meter, while double-sided tempered insulated glass is priced at over 100 yuan per square meter.
   b. The 55断桥 glass can be fitted with three types of insulated glass units: 5+6a+5, 5+9a+5, and 5+12a+5. Among these three options, the 5+6a+5 configuration offers the poorest sound and thermal insulation performance, while the 5+12a+5 unit provides the best insulation properties. Prices for these configurations vary by approximately 25 to 30 yuan per square meter.
         
  3. Looking at the thermal break strip
  b. Differences between large and small manufacturers: Due to variations in equipment and production processes, profiles manufactured by small workshops typically incur processing fees ranging from over 2,000 to 3,000 yuan per ton, whereas larger factories charge as much as 5,000 to 6,000 yuan per ton—quite a significant difference.


   2. Viewed through the insulated glass
         
  a. The 55断桥 insulated glass comes in three types: non-tempered insulated, single-sided tempered insulated, and double-sided tempered insulated. Non-tempered insulated glass costs around 70 yuan per square meter, while double-sided tempered insulated glass is priced at over 100 yuan per square meter.
  b. The 55断桥 glass can be fitted with three types of insulated glass units: 5+6a+5, 5+9a+5, and 5+12a+5. Among these three options, the 5+6a+5 configuration offers the poorest sound and thermal insulation performance, while the 5+12a+5 unit provides the best insulation properties. Prices for these configurations vary by approximately 25 to 30 yuan per square meter.


   3. Looking at the隔热条
         
  Typical PVC thermal breaks usually cost around 6,000 to 7,000 yuan per ton, while nylon 66 thermal breaks can go as high as 28,000 yuan per ton—so you do the math and figure out the price difference between the two!


   4. Looking at the hardware components
           
  Take, for example, a set of inward-opening reverse hardware fittings—on the lower-end market, you can find them for less than 100 yuan, while a high-quality set costs anywhere from 200 to 300 yuan. And when it comes to premium, imported brands, prices soar even higher, reaching as much as 400 to 500 yuan. That’s a difference of four or five times!


   5. Looking at the glass adhesive
         
  When installing thermal-break aluminum doors and windows, some people opt for cost-saving measures by using sealants priced at just two or three yuan per tube—perfect for filling gaps. Others, however, prioritize quality and choose structural adhesives typically used on exterior walls, which cost over 18 yuan per tube. As a consumer, would you rather save money by using the cheaper sealant—or go for the higher-quality structural adhesive to ensure durability and performance?


   2. Process
           
  A small workshop can equip itself with a full set of production machinery for just 70,000 to 80,000 yuan, whereas a large factory needs at least 60,000 to 70,000 yuan for just one high-precision, dual-head saw. It’s not that big companies have more money—on the contrary, their investment reflects the fact that their cutting precision is simply on a whole different level!
  This is just comparing one piece of equipment—there are actually several other types as well! That’s why large manufacturers invest heavily, while smaller workshops make much smaller investments. As a result, the products they produce vary in precision. To create high-quality, compliant products, the initial hardware investment must meet strict standards—and naturally, that drives up the overall cost even further.


   3. Window Type
         
  In fact, window types can lead to vastly different production costs—for instance, installing one movable window per square meter versus just one for every five square meters can result in cost differences that are several times greater!
  There are many other factors that influence the cost of doors and windows—let’s not go into further detail on those here.


   Summary:
  As the old saying goes, "Among department stores, customers are king." In fact, the door and window market today is quite comparable to the current automotive market: for as little as 20,000 to 30,000 yuan, you can already buy a QQ car—though it’ll come with fewer features, less space, a shorter lifespan, and slower performance. On the flip side, spending hundreds of thousands—or even over a million—on a Mercedes-Benz or BMW simply gets you more features, greater power, higher safety standards, and a more luxurious interior.
  Whether you choose to buy a QQ or a BMW depends on your family’s financial situation and your actual needs.
  So, when it comes to buying doors and windows, it ultimately depends on your family’s financial situation. If you’re willing to solve the problem once and for all, go for higher-quality products—even if they come with a higher price tag—because that way you’ll have peace of mind down the road. But if your budget doesn’t allow it, opt for more affordable options for now. Then, once your circumstances improve in the future, you can always upgrade to better-quality products. After all, this flexible approach can be a practical solution in the meantime.
      

Contact Information

Contact Address: No. 7, Industrial Avenue East, Songxia Industrial Park, Shishan Town, Nanhai District, Foshan City
Warren Doors and Windows, south of Fangshan Road and west of Dongtai Road, Dongcheng Subdistrict, Linqu County, Weifang City, Shandong Province
Become A Deaters :Info@wolunmc.com

National customer service hotline:+86 400-676-9888

WhatsApp:+86-18866798677
Beijing customer service phone number:+86 010-68319888

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