A lock is a device that acts as a closure. It includes a lock, a key, and its accessories. It is generally interpreted as a "package that must be opened with a key." Nowadays people pay high attention to the security of their residence,so durable and reliable smart lock is becoming more and more important.The quality is partially based on the accurancy and suitable materials of injection spare parts.
Smart lock spare parts features:
1.Rigid and hard material to ensure the security of external attack
2.High impact resistance and  good heat resistance
3.Compact design and bear specific tolerance for your requirements
4.Quality assurance admitted by famous company in lock industry.