C&S Technology (HK) CO.,Limited. is a high-tech enterprise and leading supplier of security products in China .We specialized in Access Control Security Products including Time & Attendance system , Face recognition access control , Biometric access control , Intelligent Lock ,Digital peephole viewer and Related Accessories .We have made a number of leading technologies in access control especially in attendance system .We concentrate on security products only and will continue to explore and develop in this field.