Duowei Pharmaceutical Co., Ltd.
Duowei Pharmaceutical Co.,Ltd is a manufacturer of Vitamin B12 with fine quality, the capacity is aout 20,000 KGS each year which aim to 50,000KGS in the future. Duowei is the largest production site in the world. As a high-tech enterprise, we put much attention into the research, production and sales. Our company becomes the professional manufacturer of Vitamin B12, with the newest science and rich resource of production.
|City:||NO.33 RENDABEI ROAD BEIJING|
|Postal address:||F20 DAHANGJIYE BUILDING|
|Email:||Contact us now|