How about Deyi Semi-Indica Broken Bridge Doors and Windows? There is the following explanation on this issue: Very good.
Dewei system doors and windows are really good, you can check it out
Broken bridge aluminum door and window products have been recognized by consumers because of their excellent heat insulation and sound insulation functions. At the same time, with the rapid development of broken bridge With the continuous development of the aluminum doors and windows industry, a number of strong brands have emerged. Next, we will count them one by one to see what they are. At present, there are many types of security doors in our country, mainly including push-pull fence security doors, flat-opening fence security glass door series doors, plastic relief security doors and multi-functional luxury security doors. There are many manufacturers and many varieties. Deji Youpin Doors and Windows has obtained the Australian door and window testing standard AS2047 N6 certification. It is the first high-end safety aluminum alloy door and window manufacturer in China to obtain this certification. It currently has a number of invention patents. The product quality and performance are very good and the price is reasonable. It's very good. My friend's home uses high-quality windows, one of the top ten brands of doors and windows. Dejiyoupin is a well-known local brand, and its products are of high appearance and good performance. I heard from a friend that they have a patented technology and the product is very good. On March 24, 2016, a press conference for "Zunshang Doors and Windows", one of the top ten brands of aluminum alloy doors and windows in China, to sign a contract with the famous film and television star Ma Yi_ as a brand spokesperson was held in Beijing. Mr. Mai, Mr. Cai, general manager of Zunshang Doors and Windows, and other company leaders came out. _Jiyoupin was founded in 1997. The brand is positioned as a customized service for safety aluminum alloy doors and windows in high-end residences, villas, hotels, office buildings and other high-end buildings. In 2014, we signed a contract with German architectural designer Paul to design and develop European modern system doors. First-tier doors and windows brands generally have relatively strong comprehensive strength. Take Detech Premium Doors and Windows, for example, only those that can rank among the top ten in the industry in terms of factory scale, number of employees, and annual sales are considered first-tier brands.