RFID keychains / key rings / key rings cards

Key card / keychain card / key rings card / keyfobs ABS shell and filled with epoxy resin encapsulated chip coil , through a combination of ultrasonic welding . Shaped cards with various shapes / keychain card ( key chains, watches, pendants and other models ) Screen printing , marking , dust-proof , waterproof, anti- shock , dozens shape can be selected. Various types of packaging can chip : EM4100, EM4102,4069,4550, 1 S50/S70, Ultralight, ST176, T5557,T5577, T88RF256,