умный замок для отеля

smart lock 1)material Stainless steel 2)Finish SS 3)Available:hotels 4)keys;brass key of computer in4 pcs 5)door thinckness:38-50mm 6)cylinder:single role 7 beads 7)backset;70mm 8)applicable standard:QB/T2474-2000 we've all along been upholding the quality policy of "quality and customer first with successive refinement, pioneering and innovation" and adhering to the corporate culture concept of "mutual respect, sincere service, struggle, innovation and scientific management", the operational policy of "get victory by quality, transfer profit but not market and develop both domestic and international markets