In this role he was also Chair of the Sixth Ministerial Conference ( MC6 ) of the World Trade Organization ( WTO ) held in Hong Kong from 13 to 18 December 2005 .
From August 2003 Tsang was Secretary for Commerce , Industry and Technology .
In this role Tsang was also Tsang of the Sixth Ministerial Conference ( MC6 ) of the World Trade Organization ( WTO ) held in Hong Kong from 13 to 18 December 2005 .
From August 2003 Tsang was Secretary for Commerce , Industry and Technology .