Castlestone Intelligent Technology (Shanghai) Co.,Ltd is the leading Supplier/Manufacturer of UHF PCB Tags, Ceramic Tags, as well as various kinds of other RFID products like RFID Cards, RFID Tags,RFID Labels,RFID Wristbands,RFID Keyfobs including different frequency with 125KHz/134.2KHz, 13.56Mhz, UHF and Active 2.4GHz, etc.Castlestone Intelligent is a one-stop shop for all RFID hardware of your solution needs, with RF experts in professional consultancy for solution design, software development, systems integration, etc. We have own manufacturing and developing base of UHF PCB tags, Ceramic tags, producing normal tags as well as customized special tags. Meanwhile, we integrated several strong factories of other RFID products, to deliver the widest range of inputs from active and passive RFID and sensor technologies.