Aluminum profile commodities are characterized by high strength, light weight, corrosion resistance, novel structure, convenient installation, material saving. Unreasonable maintenance, installation, and protection will also affect the appearance beauty and luster of aluminum profile commodities. Thus, correct maintenance and protection methods should be applied: 

1. When the aluminum profiles are transferred, they should be handled carefully to prevent appearance injuries which will affect the appearance beauty; 

2. When the aluminum profiles are transported, they should be covered with tarpaulin in case of exposure to rain or snow; 

3. Aluminum profiles should be stored in a dry, bright, anti-corrosion place with good ventilation. Exposure to rain, water or snow should be strictly avoided; 

4. When storing aluminum profiles, wood pads should be applied to protect the bottom from contacting the ground (the clearance should be at larger than 10 CM); 

5. It is prohibited to store aluminum profiles together with chemical materials and damp materials; 

6. During installation of the aluminum profiles, their appearance should be covered with waterproof adhesive tape; the oxidation film and paint film of the frame materials contacting the wall should not be damaged. Cement and sand meeting standards should be used; 

7.For finished doors and windows, the appearance of the aluminum profiles should be cleaned with clean cloth and neutral cleanser on a regular basis.