December 10, 2011   Tight competition, soft demand weaken China niacinamide prices   An eFeedLink Exclusive     Prices continued to fall.   Prices of niacinamide in China Region Imported products Transacted price as of Nov 18 (RMB/kg) Transacted price as of Dec 5 (RMB/kg) Price change (RMB/kg) Beijing 54.00-56.50 51.00 ...