November 24, 2011   China's largest niacinamide producer lowers quotes   An eFeedLink Exclusive     Prices were lower by RMB6.50/kg.   Prices of niacinamide in China Region Imported products Transacted price as of Nov 4 (RMB/kg) Transacted price as of Nov 18 (RMB/kg) Price change (RMB/kg) Beijing 60.50-63.00 54.00-56.5 ...