The bao-dah wei door lock is a very safe furniture device, and today, in high-tech development, the smart door lock replaces the old lock. The eu provides users interested in joining the union with full information on the fast-forward door lock! Shenzhen city bao-shenzhen technology ltd., a research and development firm with smart door locks, mainly providing wireless smart door locks and fingerprint locks, was registered in shenzhen in 2006 as a member of the bao-sheng group in hong kong. The fast-track door lock system provides security for users in 49 countries and regions of the world, including developed countries such as the european union and the united states. The products are already widely used in star hotels, university campuses, government buildings and are highly recognized. In the current wave of the internet, we have pioneered a series of world-lead products, such as micro-mail doorlocks and internet doorlocks, as well as a small number of industry-owned micro-trust door locks. Now, the bohunda internet portal, which supports the opening of weibo, is gaining momentum in the hotel industry around the world。