PHILLIPS & LAU INVESTMENTS LIMITED
07 May 1991 – 21 May 1999
WILLIAM W. LAU INVESTMENTS LIMITED
28 November 1989 – 07 May 1991
PHILLIPS & LAU HOLDINGS LIMITED
12 July 1988 – 28 November 1989
恒威工商管理有限公司
14 November 1978 – 12 July 1988
B. S. C. MANAGEMENT COMPANY LIMITED
16 July 1974 – 12 July 1988
MAPLE INTERNATIONAL COMPANY LIMITED
10 December 1971 – 16 July 1974
B.S.C. INTERIOR COMPANY LIMITED
10 September 1971 – 10 December 1971
CHEERA ENTERPRISES COMPANY LIMITED
11 June 1971 – 10 September 1971