Today, HK: Hong Kong General Chamber of Commerce seminar: 'Trade in services: Liberalisation measures and development of legal services in mainland China'. Tomorrow, HK: Trade and Industry Department hosts 'Guide for 'Starting up business in Hong Kong' workshop series: (VIII) Business development - Marketing and promotion'. Cyberport DEver. Cyberport. Tuesday, August 29, HK: American Chamber of Commerce breakfast: 'Who's on first? Problems in planning control in Hong Kong'.