CNTF [China Techfaith Wireless Communication Technology] SC 13G/A: (Original Filing)
[CUSIP No. G84383101 Schedule 13G Page 2 of 5 pages 1 Name of Reporting Person Active Century Holdings Limited 2 Check the Appropriate Box if a Member of a Group ¨ ¨ (a) 3 SEC Use Only 4 Citizenship or Place of Organization British Virgin Islands]