Duowei Pharmaceutical Co.,Ltd

Duowei Pharmaceutical Co.,ltd is speciallized in Vitamin B12 of fine quality with the annual production capacity about 20,000kgs and to be 50,000kgs future, which largest VB12 site world. We can supply you series products, including pharmaceutical raw material additives customers' ...
Telephone:86-10-82684966ext698 Address:F20,Dhangjiye Building,No33 Rendabeilu, Beijing, China
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