High quality 5-htp Powder Griffonia Simplicifolia Seed extract

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Hunan Zhengdi Biological Resources Development Co.,Ltd

No.605,A-7 Bldg, Lugu International Industrial Park,NO.229 Tongzipo West Road,Gaoxin District

China China

Hunan Zhengdi Biological Resources Devplopment LTD Co., Ltd. is a manufacturer with profound R&D background and abundant plant resources. We focus on plant resources and the efficient development of its deep processing. Relying on the PDT(product develop team) who are expert at medical research, we turned to technological innovation and process improvement, we have several Patents and technology(with complete intellectual property rights) on extraction and separation equip...

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