Semtong Limited was established in Shenzhen , China in 2000. It is a high-tech enterprise integrated with development, manufacture and marketing as the business goal,development strategy, and the service tenet, Semtong has been enjoying good reputation among the society. Within several years, Semtong has become a leader in the field of smart card system products and biometric products in China. We aim at being one of the leading biometrics authentication & RF card system solution providers in ...