CNTF [China Techfaith Wireless Communication Technology] SC 13G/A: Joint Filing Agreement Defu Dong Defu Dong Helio
[Joint Filing Agreement Defu Dong Defu Dong Helio Glaze Limited Defu Dong Director Huos Offshore Trust For and on behalf of Andrew T. Chan, Danny W. K. Tsui Director, Associate Director HSBC International Trustee Limited For and on behalf of Andrew T. Chan, Danny W. K. Tsui Director, Associate Director 2] [CUSIP No. G84383101 1 NAMES OF REPORTING PERSONS 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP þ (a) o (b) 3 SEC USE ONLY 4]