Three classification of aluminum alloy doors and windows accessories

Aluminum alloy doors and windows accessories are the general name for aluminum alloy doors and windows accessories, and the hardware of our common sense is only part of them. The aluminum alloy door and window accessories are the general name for ensuring the flexible and smooth opening and closing of the aluminum alloy doors and windows, the tight structure, and all the accessories of the door and window accessories. Generally, it can be divided into three categories: hardware, sealing materials and auxiliary parts.