Dear Sir or Madam,

Please allow me to introduce our company as a professional supplier in the field of botanical extract and chemical material. We, Yongwah Biotech Ltd., established in the year of 2000, is a modern and high-tech enterprise, specilizing mainly in the botanical extract and in scientific research, development , producing and marketing.

Our product are as follows for your reference.

*Epimedium extract product series

*Giant knotweed product series
1 Resveratrol 10%～～98% HPLC
2 Polydatin 10%～～99% HPLC

*Green Tea extract product series

*Silymarin product series

*Soya extract product series

*Wild jujube seed extract product series

*Monomer extract product series
1. Apigenin 98%HPLC

2. Chrysin 98%HPLC

3. Colchicine 98%HPLC

4. Cordata alkaloids 60%

5. Diosgenine 98%HPLC

6. Emodin 50%--95%HPLC

7. Esculin 97%HPLC

8. Formononetin 90%HPLC

9. Genistein 98%HPLC

10. Homoharringtonine 98%HPLC

11. Huperzine A 99%HPLC

12. Luteolin 98%HPLC

13. Puerarin 98%HPLC

14. Rubescensin 98%HPLC

15. Resveratrol 98%HPLC

16. Salicin 98%HPLC

17. Silybin 90%HPLC

18. Synephrine 98%HPLC

19. Solanesol 98%HPLC

20. Tetrandrine 98%HPLC

21. 5-HTP 98%HPLC

*Chinese herbal extract product series
No./Product Name/Specification/Test Method

1. Angelica Root P.E. Ligustilide ≥1% HPLC

2. Astragalus P.E. Polysaccharides≥40% UV

3. Billberry P.E. Anthocyanidins≥25% UV

4. Black Cohoh P.E. Triterpene Glysoside≥2.5% HPLC

5. Citrus Aurantium P.E. Synephrin≥2%，6%, 8%, 30% HPLC

6. Epimedium P.E. Icariin ≥5%--50% HPLC

7. Ginkgo Biloba P.E. 24/6 HPLC

8. Grape seed P.E. Proanthocyanidin≥40%--95% UV

9. Jujuba P.E. Jujuboside ≥1% HPLC

10. Picrorhiza kurrooa P.E. Picroside≥5% & Apocynin≥5% HPLC

11. Pueraia P.E. ≥20%--80% HPLC

12. Red Clover P.E. Isoflavones≥8%,Isoflavones≥20% HPLC

13. Rheum P.E. Rhein≥0.5% HPLC

14. Rhodiola Rosea P.E. Salidroside≥1%,2% HPLC ; Rosavin≥1%, 2%,3%,5% HPLC

15. Schisandra Fruit P.E. schisandrins≥2% ,5%, 9% UV/HPLC

16. Siberian Ginseng P.E. Eleutheroside B+E≥0.8% HPLC

17. ST.John\'s Wort P.E. Hypericin≥0.3 UV

18. Tribulus Terestris P.E. Tribulosides≥40% UV

19. White willow bark P.E. Salicin ≥15% ,25%,30%HPLC

20. Wild Yam P.E. Diosgenin≥6%,10%,16%,20% HPLC

If you require any product wihch does not appear in the list, please do not hesitate to send your enquiries for the same.

In today\'s fast paced and ever changing marketplace, the need for a dependable, versatile manufacturer is immense.

We,Yongwah Biotech Ltd., is your reliable partner in the field of Herbs and Botanical Extract, Pharmaceutical raw material and Chemical material.

We are looking forward a longer and fruitful cooperation with you.

Your early response would be highly appreciated.


Thanks and Regards,

Valiant Wang
Sales Manager