Shenzhen Mingwah Aohan High Technology (深圳市明华澳汉科技) is a manufacturer of electronic components. It offers USB contactless readers, RD series external readers, SIM cards, dual interface CPU card readers, eKey (Smart Password Key) products, payment terminals, RFID card application systems, etc. The company caters to the pharmaceutical, high-technology, agriculture, wine, cosmetics, and retail industries.