January 6, 2017   China vitamin C fall amid slack demand An eFeedLink Exclusive     Prices moved lower. Price quotes of vitamin C (99%) in China (RMB/kg) Price quotes as of Dec 20 Price quotes as of Dec 31 Price Changes  50-55 46-52 -4 to -7 Prices are representative and for reference only. RMB1=US$0.1450 (Jan 6) The a ...