August 12, 2008 China niacinamide prices lower on lackluster demand   An eFeedLink Exclusive Prices were slightly lower in most regions. Prices of niacinamide in China Region Imported products Transacted price Transacted price Price change as of Jul 28 (RMB/kg) as of Aug 12 (RMB/kg) (RMB/kg) Beijing 135-140 128-133 -7 ...