This is an aluminum door and window project of DEJIYOUPIN (brand trademark is Derchi) in the United States. You can see sliding windows, awning windows, fixed windows, entry doors and other products.
Why are Derchi doors and windows so popular in the United States? The four-sided six-point lock is a very important reason. The more remote your project is, the more you should choose Deji doors and windows. Because the four-sided six-point lock technology can achieve 100% anti-theft safety.