July 14, 2011   June biotin prices firm in China after May's rally   An eFeedLink Exclusive              Prices stayed firm.   Biotin prices in China Region Price as of May 30 (RMB/kg) Price as of Jul 4 (RMB/kg) Price change (RMB/kg) North 148-160 153-168 +5 to +8 South 150-165 155-170 +5 RMB1=US$0.1543 (Jul 14) Follow ...