Let me introduce ourselves-Xian Guanyu Bio-tech. Co. Ltd. as a manufacturer and exporter of herbs extracts in china. we can supply many kinds of herb extracts with high quality, and manufacture the products demanded by customers.following are the main...
Camptothecin, 10-hydroxycamptothecin, 7-Ethyl-10-hydroxycamptothecin...
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a professional and reliable supplier of natural herbal extract,and natural chemical ingredients and...
resveratrol, policosanol, paclitaxel, camptothecin, plant extract...
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