SECURITIES (DISCLOSURE OF INTERESTS) DAILY SUMMARIES - (GEM)                                                   PRINTED: 21/06/02  PAGE:   1
                                                                                      SUBSTANTIAL SHAREHOLDERS' NOTIFICATIONS REPORT

STOCK NAME :  Sinotronics                    (08115)        * ISC as at 18/06/02 :         367,625,000

Name of Sub. Shareholder   Date     Reason    Present Bal.     Previous Bal.             Share Jointly Held                          Corporate Interest                          Family Interest                  Note
------------------------ -------- ---------- ---------------  ---------------  -----------------------------------------  -----------------------------------------  ----------------------------------------- -----------
LIN WAN QAING            19/06/02 1              232,203,780      267,203,780                                                                                                                                  N1         

STOCK NAME :  Vitop Bioenergy                (08199)        * ISC as at 20/06/02 :         666,300,000

Name of Sub. Shareholder   Date     Reason    Present Bal.     Previous Bal.             Share Jointly Held                          Corporate Interest                          Family Interest                  Note
------------------------ -------- ---------- ---------------  ---------------  -----------------------------------------  -----------------------------------------  ----------------------------------------- -----------
HUNG KAI SO              01/02/02 2              131,759,529             N.A.                                                                                                                                             

KAM IOI                  01/02/02 2              108,231,043             N.A.                                                                                                                                             

MA YUFENG                01/02/02 2               88,467,115             N.A.                                                                                                                                                


                    * ISC refers to the latest Issued Share Capital of the listed company recorded by the Exchange as at the date of this summaries.  It might not promptly reflect 
                      changes caused by share placements, rights issue, bonus issue, etc.  Readers should exercise caution when using these figures.

                                                                                               *****  END OF REPORT  *****
Notes:


N1      Please refer to the Company's announcements of 14 June 2002 and
        19 June 2002. 

N2      Consideration per unit: $1.43 - $1.48

N3      Consideration per unit: $1.37 - $1.44

N4      Bonus warrants