Shanghai Eastample Technology Co.,Ltd. is the leading provider of IoT RF devices and system solutions in China. The products provided include various RFID antennas, cables, cable assemblies, multiplexers, switchers, RFID lightning arresters, circulators, antenna mounting brackets, etc., as well as consulting, comprehensive solutions for customers' products and designs. Related technical services. Headquartered in Shanghai, it has sales contact points in Shenzhen, Chengdu, Xi'an and Beijing and has established an independent subsidiary in Hong Kong.