Changzhou Elite Electronic Co., ltd. Who was founded in 2001 in China, we are a manufacturer near to Shanghai, China for 2 hours by train, our main products are including electronic door lock, IC card lock, smart card door lock, RFID card lock, hotel room lock, cabinet card lock, intelligent card lock, fingerprint lock, Cabinet lock, hotel management system, hotel smart control system and hotel safes etc., we use the imported electronic chip: T5557 and Mifareone from America, we hope you can