The advantages of aluminum cover are:
1. The aluminum cover has very strong tensile strength and good weather resistance.
2. The torsion force of the aluminum cap is stable, the required torsion force is small, and it is easy to open, which reduces the time for the cap to open.
3. The coating is strong and has strong adhesion, high temperature and stability, clean and environmentally friendly.
4. The colors are rich and expressive, the prints are very delicate, have high anti-counterfeiting ability, and also show some aesthetic value.
5. The layout of the aluminum cover is relatively simple, and the cost is low. It is universal in the world. The mechanical seal is very good, and it is easy to use.