Aluminum Windows & Doors Not Closing Tightly? Check These Common Issues!

Casement window is the traditional opening method in China, referred to as the national standard for short;

Sliding window is simple and convenient and does not take up space; it is commonly used in China.

Inward opening and inward tilting window adopts European standard systematic design. It allows natural ventilation when no one is at home, and rainwater cannot enter the room. You can sleep with the window open on spring and autumn nights, and it is not easy for thieves to open.