CAMBRIDGE, England--(BUSINESS WIRE)--IDTechEx Research has identified over 150 Chinese companies supplying RFID. Until now the use of RFID in the country has mainly been driven by government mandates and projects, from one billion contactless identity cards issued to complete rail car management systems. These have typically been highly profitable for suppliers involved and some suppliers are even state owned. Now China has also rapidly become a large exporter of RFID, going from having a globa