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, Top-Quality Phytochemistry Co., 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% HPLC Green Tea extract product seriesSilymarin product series Soya extract product series Wild jujube seed extract product series Monomer extract product series 1. Apigenin 98%HPLC2. Chrysin 98%HPLC3. Colchicine 98%HPLC4. Cordata alkaloids 60%5. Diosgenine 98%HPLC6. Emodin 50%95%HPLC 7. Esculin 97%HPLC8. Formononetin 90%HPLC9. Genistein 98%HPLC10. Homoharringtonine 98%HPLC11. Huperzine A 99%HPLC12. Luteolin 98%HPLC13. Puerarin 98%HPLC 14. Rubescensin 98%HPLC15. Resveratrol 98%HPLC16. Salicin 98%HPLC17. Silybin 90%HPLC18. Synephrine 98%HPLC19. Solanesol 98%HPLC20. Tetrandrine 98%HPLC21. 5-HTP 98%HPLCChinese 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% HPLC5. Citrus Aurantium P.E. Synephrin6%, 8%, 30% HPLC6. Epimedium P.E. Icariin5%50% HPLC 7. Ginkgo Biloba P.E. 24/6 HPLC 8. Grape seed P.E. Proanthocyanidin 40%95% UV 9. Jujuba P.E. Jujuboside1% HPLC 10. Picrorhiza kurrooa P.E. Picroside 5% & Apocynin 5% HPLC11. Pueraia P.E.20%80% HPLC