[trade news] :Today's exchange rate: 1 us dollar =7 RMB, 1 euro =7.7805 RMB【 vitamin information 】 :Ningxia qiyuan pharmaceutical passed the 2019 "three systems" certification audit...

I. [vitamin information] :1. Another accident in jiangsu park, the resumption of production of biotin factory was delayed again, biotin has been jumping recently, the market is highly nervous!2. On N...