Chinese merchant shipping and the wreck on the Lena Shoal, Franck Goddio (Director of the European Institute of Underwater Archaeology); maritime trade in China during the middle Ming period, Peter Lam (Director of the Art Museum, The Chinese University of Hong Kong); connoisseurship and commerce, Rosemary Scott (Senior Academic Consultant, Asian Art Department, Christies); industrial ceramics in China: ceramic production at Jingdezhen from the 10th to the 16th centuries, Stacey Pierson (Curator of the Percival David Foundation of Chinese Art); Chinese ceramics at the end of the 15th century: traditions and transitions, Monique Crick (Consultant on Chinese Art and Far Eastern Ceramics); typology; conclusion, Franck Goddio.