... china, our main customers are China Telecoms, China Unicorn, China Network, Singles, CNPC, Beijing Public transit and highway cooperation, Shenzhen & H ... incubator industries, currently nearly 3 / 5 of the high-end smart cards are OEM produced by us, we are now joining ... world to exploit wide range of utilising potential of the smart card not only in Tel-communication, door accessing, Loyalty, oil ...