A & M SECRETARIAL SERVICES LIMITED
05 October 2010 – 13 December 2019
毅力秘書服務有限公司
05 October 2010 – 13 December 2019
CREDIT INTERNATIONAL METAL & ALLOY LIMITED
10 April 2006 – 05 October 2010
至信(國際)金屬合金有限公司
10 April 2006 – 05 October 2010
飛龍有色金屬有限公司
23 September 1994 – 10 April 2006
FILON NON-FERROUS METALS LIMITED
18 August 1994 – 10 April 2006
天龍有色金屬有限公司
18 August 1994 – 23 September 1994
FORTUNE TOP ENGINEERING LIMITED
22 March 1994 – 18 August 1994
富卓工程有限公司
22 March 1994 – 18 August 1994