Welcome to Shanghai Ruifeng Technologies Co., Ltd. We have engaged in RFID industry for more than 10 years, we have been manufacturing, developing as well as selling RFID products. The production lines cover smart card, proximity card, RFID tag, RFID key fob, smart label, RFID wristband, NFC tag... and so on. Our headquarters is located in Shanghai. The strict and perfect quality control system ensures high quality of Ruifeng products and also achieves the favorite of global customers.