January 6, 2017 China biotin producers stand firm on prices An eFeedLink Exclusive     Prices remained unchanged. Transacted prices of 2% biotin in China (RMB/kg) Price quotes as of Dec 19 Price quotes as of Dec 31 Price Changes  68-75 68-75 0 Prices are representative and for reference only. RMB1=US$0.1450 (Jan 6) Dem ...