The ADEL Group was founded in 1993 as a group company with accute insight of science and entrepreneur leadership. Our chairman, Minyu, is an adjunct professor at both universities and a senior scientist. He believes that following the scientific discovery, the company will undergo substantial changes! ADEL focused on designing and manufacturing electronic lock for over 26 years. We successfully invented the electronic lock operating system in 2016 (LOCK OS obtained invention patent in the United States) which changes the world standard of electronic locks. ADEL is contributing the whole system of lock industry with our inventions and the high quality of lock. Moreover, ADEL GROUP, can offer impressive one-stop intelligent security solutions to different parties, for example the government, hotel, office and household. ADEL is not only providing the Hotel Lock, Residential Lock and the security solutions, we are also offering OEM and parts modeling services to our clients. Furthermore, providing safe box solutions to the hotel and household users is another specialized field of our company. With decades of effort and development, the company became one of the world's greatest leading brands in the electronic lock industry. We are supplying wide range of security products with excellent quality and all-rounded services. ADEL committed to keep pursuit of any possibilities and higher qualities of locks in order to provide the highest level of security and comfort to the world.