Purchasing and Maintenance Tips for Locks

1. First, make sure the product includes the manufacturer's name, address, trademark, and a recent inspection report from a professional quality inspection organization.

2. The appearance of the lock should be clear, with a smooth surface and a comfortable feel. The lock should open and rotate flexibly, the locking mechanism should function properly, and there should be no sense of malfunction in its operation. It should also have good confidentiality performance.

3. When purchasing, the material should be moderate, providing a strong and reliable feel. Avoid choosing various locks made of cheap and inferior materials.

4. Proper installation of the lock is crucial. Follow the product manual strictly, pay attention to the installation center distance, applicable scope, and the lock's opening method. Particularly, avoid installing on wooden doors with high humidity to prevent corrosion from harmful substances.

5. Regularly keep the lock body clean to prevent foreign objects from entering the lock cylinder, causing difficulties in opening or even preventing the lock from opening.