December 29, 2008   China's niacinamide prices slide further   An eFeedLink Exclusive     Prices were lower in post regions.   Prices of niacinamide in China Region Imported products Transacted price as of Nov 28 (RMB/kg) Transacted price as of Dec 12 (RMB/kg) Price change  (RMB/kg) Beijing 82-86 77-82 -5 to -4 Shangha ...