November 20, 2008   Folic acid prices in China weaken amid slack demand   An eFeedLink Exclusive      Prices significantly lower on slack demand. Region Prices as of October 11 (RMB/kg) Prices as of November 19 (RMB/kg) Price Changes (RMB/kg) North 265-285 225-245 -40 South 275-290 230-250 -45 to -40 RMB1=US$0.1463 (No ...