The lincoln fingerprint lock, which originated in the united states of america in a world-famous fingerprint lock brand, was the first to enter research and product development specialized in fingerprint identification and security core technology. The establishment of a production base and marketing department in central guangdong in 2009 is based on the guangdong market and is moving steadily towards the national market, with ongoing investment in support of research and development of core technologies, allowing products to remain ahead of industry. The lincoln fingerprint locks are currently being developed for different types of door types, as well as for use requirements on different occasions, in five major series of fingerprint locks: the blocks 6611 for high-end united states blocks, the metal 6612 for black metal -- the high-end villa door lock, the minority 6613 minority high-end residential lock, the upf 6615 for smart housekeepers -- the high-end residential lock. Boss ...