our( douwinlock.com) main products CE-certified by SGS consist of hotel lock, card lock, cabinet lock, locker lock, electronic lock, magcard lock, magnetic card lock, IC lock, IC card lock, 125khz RF lock, 13.56Mhz Mifare card lock, Sauna lock, TM lock, one card pass, smart card lock, proximity card lock, intelligent lock, ID lock, fingerprint lock, digital lock, energy saving switch, hotel safe, hotel doorbell, etc. Our products and systems are widely used in guesthouses, hotels, flats and office intelligent estates, and the quality and service of our products are widely acknowledged by our users. For dependable and safety performance but low cost, DouWin series of products are very popular to worldwide markets. Especially, Our locks pass CE Verification by SGS and have been exported to the worldwide for many years. We may say should you favor us with inquiries for specific requirements(such as detailed type, quantity, destination), we are in a position to supply you with the first class products at competitive price. Please send your fax to us so that we can confirm it. If you need more information about DOUWIN products, please enter our Website.