December 1, 2008 China niacinamide prices fall on weak demand    An eFeedLink Exclusive Prices were lower in post regions. Prices of niacinamide in China Region Imported products Transacted prices as of Nov 14 Transacted prices as of Nov 28 Price change (RMB/kg)   Beijing 93-96 86-90 -7 to -6 Shanghai 94-97 87-91 -7 to ...