Doorplus we are an independent research and development, manufacturing and sales of smart locks complex factory. Including smart hotel lock, Bluetooth digital lock, wireless lock system and access control system, has a wealth of OEM/ODM experience, for the commercial, smart home and residential market to provide high-quality smart lock and management system, with "sustainable,healthy, professional, focused" as the development model, and strive to become a leading brand of smart lock. R&d and production of smart locks to implement the most stringent quality management control, patented design, through CE, FCC, SGS and European firetest certification, adhere to international standards and the highest quality of the industry, focus on every detail, with professional after-sales service, for the development of the smart industry to provide the best quality service!