Their efforts in quality control are also amazing. They used HPLC to determine the contents of devils claw extract、Hedera Helix Extract、Dandelion Leaf Extract、Oliver Leaf Extract、Lotus Plumule Extract for the first time in mainland China. Index component quantitation and HPLC fingerprint were used together to control the quality of valerian extract, Cat's Claw Extract、Senna Leaf Extract、Schisandra chinensis Extract、Cinnamon Bark Water Extract、devils claw extract、Rheum Extract. HPLC fingerprinting was used to control the quality of Radix Isatidis Extract, Eucommia ulmoides Leaf extract, Fenugreek Seed Extract, Bee Pollen Extract and Hawthorn Leaf Extract. These quality control criteria and methods are all in the leading position in this trade, some of which are beyond the requirements of the customers. For example, HPLC determination has been established for 32 species which help improve and consummate the quality control of 25 products.
   The major products in our company consisted of Resveratrol, Reynoutria sachalinensis extract , Macleaya cordata extract , Magnolia Bark Extract, Hedera Helix Extract, Dandelion Leaf Extract, Oliver Leaf Extract, Centella asiatica Extract , Lotus Plumule Extract, White Kidney Bean Extract, Rhodiola Rosea Extract, Ziziphus Jujuba Extract, devils claw extract , Kudzu Pueraria Extract, Fenugreek Seed Extract, Cat's Claw Extract, pumpkin (cucurbita) seeds Extract, Slenderleaf Asparagus Extract, Bitter Melon Extract Dried, Honey Goat Weed Extract, Red Reishi Mushroom Extract, and Cinnamon Bark Water Extract, etc. The production technology and quality control standard are advanced in mainland China.
   Among which the production of Resveratrol (98%) has the largest yield in China, the content of liensinine has reached 40-80% in the Lotus Plumule Extract, and the content of taraxasterol reached 50%. At the same time, we can provide individualized products and service to meet the needs of customers. For instance, there are 5 specifications (4% and 10% Ergosterol, 10% Triterpenoids, 10% and 20% Polysaccharides) and 3 quality indexes for Red Reishi Mushroom Extract alone, while for Radix Isatidis Extract, there are 2 quality controlled products (0.1% Adenosine and 5% Amino Acids).
   In order to ensure the supply and quality of the major raw materials, we have established standardized plantation bases for Valeriana officinalis, Vaccinium Myrtillus L., Asparagus officinalis , Alose, Opuntia ficus indica, and Harpagophytum procumbens, and standardized plantation bases for another 12 species are being built, including that for Pueraria Lobata(willd.)Ohwi, Polygonum cuspidatum, Reynoutria sachalinensis ,bitter melon, etc.
   The Research and Development Center of our company also provides technological support for customers, satisfying customers’ various demands in terms of preparations of extract, clinical application, sales, etc.