Victor,you must recommend some nice food ok.Chun See, yg and Anon,based on what I have found, the 'contract ma3tafcuurer&#n9; is most plausible. but the queenstown book is a bit misleading because both Van Houten and Sheng Huo are mentioned and it is clearly stated Van Houten was beside block 80.Adelin,You can buy Van Houten chocolate and .. treat me.
Lillah
