DOUWIN Lock's main(douwinlock. COM) products consist of hotel lock, card key lock, 13.56MHz MIFARE lock, 125kHz RF lock, RFID card lock, IC card lock, combination lock, fingerprint lock, password+card lock, digital lock, hotel safe, hotel doorbell, hotel room lamp control system, cabinet lock, locker lock, electronic lock, magcard lock, magnetic card lock, IC lock, RF lock, MIFARE card lock, hotel card lock, hotel door lock, electronic door lock, hotel lock system, sauna lock, cabinet lock, one card pass, smart card lock, intelligent lock, ID lock, swipe card lock, stripe card lock, digital lock, energy saving switch, 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.

Guangzhou Shenmao Hardware Electrical Appliance Co., Ltd is a leading hardware and electrical appliance manufacturer. SUMMAO have been in business for over 20 years and have a strong reputation for quality and customer service. We offer a wide range of products, including Electric Cable, Solar Cable, Switch Socket, and more.

Shenzhen JianHe Smart card Technology Co., Ltd was founded in 2004. As the only Honored and certified China National Hi-Tech Enterprise for smart card industry, jianhe is offering a complete range of card solutions such as magnetic cards, barcode cards, VIP cards, membership cards, gift cards, portrait cards, contact IC cards, CPU cards, RFID cards, blank cards, visual cards, RF Inlay, HF/UHF inlay, label, UHF label, E-label, smart seal, anti-tamper label, library label, and windshield label, etc, half-products like inlay and card related readers and printers, which have been widely used in Hotel Access, Access control, time&attendance, Parking system, Transportation, telecommunication, education, finance, social security, tourism, shopping malls, commerce, tax, enterprise All-in-one card system, etc.