The mechanical code lock operates in a unique way, using the dialing principle of the old telephone - starting from the starting point of the dial, turning the dial clockwise to a certain number, then returning to the starting point, and then entering a password.
Copper locks have a wide range of applications. Secondly, copper is not easy to rust. After years of polishing, the luster will become more soft and beautiful. At that time, the copper lock company took "serving the people" as the purpose of production and manufacturing service, rather than profit as the goal of pursuing quality.
1. We participated in the Spring and Autumn Canton Fair from 2013 to 2019. We warmly welcome new and old customers to come to negotiate business, jointly expand the lock market and promote the development of the lock industry.
Quality certification system, passed ISO9001 certification on August 19, 2020. We will win the trust of customers with the best product and service quality, further strengthen quality management, improve the overall quality of employees, and fully implement the quality policy of "quality improvement, scientific and technological innovation, service in place, customer satisfaction".