DONGGUAN OUNUO INTELLIGENT TECHNOLOGY CO.,LTD is one of leading professional hotel lock manufacturer from CHINA since 2005 with stable quality control and excellent after-sales services in hospitality and residence field. We (Onlysmart) have our own R&D team to meet our clients’ needs and update product technology. We have successfully exported our hotel locks and products to over 120 countries for 10000+ hotels. What’s more, Our hotel lock system is available for multi-language versionLike arabic, english, polish, french and compatible with most PMS system . All of our products are certified by CE, ROHS, FCC, ISO, SABER etc.