August 26, 2011   Output rise weakens China niacinamide prices   An eFeedLink Exclusive     Prices were lower by RMB0.50/kg.   Prices of niacinamide in China Region Imported products Transacted price as of Aug 11 (RMB/kg) Transacted price as of Aug 25 (RMB/kg) Price change (RMB/kg) Beijing 64.00-66.50 63.50-66.00 -0.50 ...