SHANDONG DUANXINTANG DAYU PHARMACEUTICAL CO., LTD
a speciality herbal extract manufacturer , key products is :Troxerutin、Rutin 、Baicalin 、Isosorbide Mononitrate 、Salvia root P.E 、Honegsukle flower P.E 、Eordythia P.E、Hawthorne leaf P.E etc medical raw material .
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