Doors and windows are the most important decoration when we decorate our houses. They include aluminum alloy, broken bridge, etc. There are also many brands. When we choose and buy, we are very careful. Some details of the main purchase, such as the quality of the purchase and its brand, etc., such as what are the door and window brand rankings? What are the purchase skills of doors and windows? Then let us introduce them to you.

1. Door and window brand rankings

1. Door and window brand rankings Guangdong Fenglu Broken Bridge Aluminum Doors and Windows is a comprehensive large-scale private aluminum enterprise. It mainly produces construction, decoration, industrial, special aluminum profiles and other products. The company is a well-known trademark in China and one of the top ten aluminum profile companies in China.

2. Door and window brand rankings, German Spoor broken bridge aluminum doors and windows are sold directly by the manufacturer, with reasonable prices, five-year warranty, and lifetime maintenance. German Spoor 70 sound insulation and thermal insulation broken bridge aluminum alloy doors and windows.

3. Guangdong Meiweijia Broken Bridge Aluminum Doors and Windows is a Sino-foreign joint venture. After 20 years of development, it has many types, wide range, first-class scale and strength. It was rated as a high-tech product in Guangdong Province and the company's national inspection-free product.

4. Door and window brand rankings, Liaoning Zhongwang Broken Bridge Aluminum Doors and Windows is a company that integrates research on aluminum alloy building profiles, industrial materials and aluminum alloy doors, windows and curtain walls. It leads the production of aluminum profiles and also operates plastic aluminum-plastic doors and windows. production and clothing, etc.

5. Sino-German Blue Card Broken Bridge Aluminum Door mainly represents the brand of broken bridge aluminum door and window profiles. The profile series includes a variety of specifications and models, with reasonable structural design and strong thermal insulation. It has accumulated more than 200 years of experience in R&D and manufacturing of doors and windows.

6. Ranking of door and window brands, Germany's Grand Broken Bridge aluminum doors and windows are nine-seal, made of virgin aluminum material, the specification is PA66, the width is 60mm, and the wall thickness is

7. Shandong Huayi is a large enterprise integrating broken bridge aluminum doors and windows. It is adjacent to the largest aluminum profile wholesale market in Jiangbei, China and has a strategic location.

8. Ranking of door and window brands. Guangdong Xingfa Broken Bridge Aluminum Doors and Windows is headquartered in Foshan, Guangdong. It is one of the earliest enterprises to produce aluminum profiles in mainland China. In 2003, it was rated as China's most competitive aluminum profile enterprise and aluminum profile manufacturer. Top ten brands of materials and other honorary titles.

Second, tips for purchasing doors and windows

1. Purchasing anti-theft doors for exterior walls means that they can withstand abnormal opening under certain conditions within a certain period of time and have special locks and Anti-theft device on the door. , the production of anti-theft doors should comply with the "General Technical Conditions for Anti-theft Safety Doors" (GB17565-2007). This regulation defines anti-theft doors as being equipped with an anti-theft lock, which can withstand normal opening under certain conditions within a certain period of time, and has a certain degree of safety. Doors with protective properties and corresponding anti-theft security levels.

2. When we choose anti-theft doors, the national standard for security-grade anti-theft doors divides the products into anti-theft security levels based on the anti-theft door's anti-vandal time, plate thickness and other indicators. The anti-theft security level is changed from the original "A" , "B" and "C" are revised to 4 levels: "A", "B", "C", and "D". A is the highest level, and in descending order, they are "J", "Y", represented by "B" and "D".

3. The number of locking points "A", "B", "C" and "D" of the anti-theft door should not be less than 12, 10 and 10 respectively between the door frame and the door leaf. 8 and 6.

The above are some of the door and window brand rankings and door and window purchasing tips we provide. If we want to buy the best brand of doors and windows, we have to buy from its Come up and do our selection and so on.