Monday, April 2, HK: Canadian Chamber of Commerce presents '4th Annual Sustainable Development Index results'. One Pacific Place. Hong Kong Productivity Council seminar on lean manufacturing. HKPC Building. Tuesday, April 3, HK: American Chamber of Commerce breakfast: 'How Hong Kong justifies spending on infrastructure ... And do we really need it?' Bank of America Tower. Guangzhou: Hong Kong Productivity Council seminar on optimising factory layout. Wednesday, April 4, HK: Corporate culture breakfast briefing by author Gabrielle O'Donovan. The Helena May. Wednesday, April 11, HK: American Chamber of Commerce breakfast: 'South China port and infrastructure development - 'Field of dreams or fatal attraction?'' Ritz-Carlton.