Please contact Douglas by email first. Digiper Electronic Lock Co. Ltd. is a large manufacturer specialized in producing and OEM electronic locks together with the managing systems which are not only suitable for hotel and apartment but also for office building. Our locks include IC card locks, RF card locks and keypad locks (pushbutton code lock). Thanks to our 13 years abundant experience in this field, our products have obtained good reputation in the worldwide market for their high technology &superior quality. CE certificate has been given to our locks, that means our locks quality is up to the international level. We will continue to expand our market with superior quality and perfect after-sell service. Any further information you need from us, please contact with me by Email first. After email please call Douglas at the Tel bellow . We look forward to make cooperation with your company in the near future.