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SHENZHEN HEYANG SMART CARD TECHNOLOGY CO., LTD
Shenzhen Heyang Smart Card Technology Co., Ltd. To become a global leader of visual smart card production, packaging and program solutions.
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Real Time Positioning RFID LED Card 7816 Interface With SOS One Button Call

SHENZHEN HEYANG SMART CARD TECHNOLOGY CO., LTD
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Real Time Positioning RFID LED Card 7816 Interface With SOS One Button Call

Real Time Positioning RFID LED Card 7816 Interface With SOS One Button Call

Real Time Positioning Active Smartcard 7816 Interface With SOS One Button Call Active SmartCard has real-time positioning with SOS one-button call rescue function Product introduction: Heyang ...

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