July 28, 2011   China vitamin A prices on moderate climb   An eFeedLink Exclusive                 Prices were higher.   Prices of vitamin A in China Region  Country origin Price as of Jul 13 (RMB/kg) Price as of Jul 27 (RMB/kg) Price change (RMB/kg) Beijing Imported 165-169 169-173 4 Locally produced 161-165 165-169 4 ...