2012 CHINA INTERNATIONAL AGROCHEMICAL FORUM ON PROCUREMENT & SERVICE  C S Liew C S Liew, Managing Director of Pacific Agriscience Pte Ltd, based in Singapore, has had 33 years of international experience in the agricultural chemical industry. He has worked for American Cyanamid, Ciba-Geigy, Uniroyal and Nufarm before forming his own company 13 years ago….