Shenzhen city was founded in 1998 as a high-technology enterprise that combines research and development, design, production, marketing and services. Companies mainly produce new types of smart door locks such as fingerprint locks, smart locks, password locks, hotel locks, hotel blue-tooth locks, electronic locks against burglary, smart campus locks, and provide customers with accompanying smart management system software and solutions. There is a wealth of products, which are widely applied in areas such as hotels, apartments, offices, families, etc. The company is located in shenzhen lung, which has its own large, over 10,000 square metres of intellectual lock-in estate, has established a regulated organizational structure that includes r & d technology centres, production centres, marketing centres and service centres, has a strong and well-developed intellectual lock-up manufacturing chain, absorbing more than 400 people from various lock-in elites, and is one of the early, ...