Zipper production involves multiple processes, including zipper tooth forming, fabric dyeing, and zipper pull assembly. Deviations in any of these processes can lead to a decrease in smoothness.
Zipper production involves multiple processes, including zipper tooth forming, fabric dyeing, and zipper pull assembly. Deviations in any of these processes can lead to a decrease in smoothness.
The flip-top design controls the field of vision by adjusting the opening angle of the cover. The larger the opening angle, the wider the display area and the weaker the privacy protection.
A coating that is too thick will significantly increase the weight of the briefcase, affecting its portability and violating its original design intention as a lightweight office product.
The magnetic opening and closing uses the adsorption force of magnets to achieve quick closing, and its sealing is affected by the magnetic strength and the flatness of the contact surface.
In our busy daily lives, the three-fold wallet, with its compact and organized structure, has become an essential accessory.
In everyday urban commuting, a briefcase is more than just a tool for carrying documents; it's an extension of one's personal image.