The company is the biggest professional manufacturer and distributor of mainly camptothecin and its derivatives domestically. She combines the distillation of natural product with its sale, has her own power of management over import and export businesses and the quality and output are at the head of the craft brothers. Presently, we have over 20 technical cadremen in mechanics, chemistry of plants, pharmacy, pharmacists licensed to practice and foreign trade seller s. We also have superior ability to distilling, researching and developing pharmaceutical raw materials and intermediates from the plants . We can monthly supply camptothecin 80kg, HPLC 95.0~99.7%; 7-ethyl-camptothecin 20kg, HPLC 80~95%; 7-ethyl-10-hydroxy-camptothecin 5Kg , HPLC 80 ~99%; Irinotecan HCL trihydrate 5 kg, HPLC >99%.

Camptothecin and derivative of camptothecin are known as inhibitors,that of nucleat topoisomerase¢ñ by binding to and trapping the topoisomerase-DNA covalent complex,so cancer cells are killed.

Camptothecin and derivative of camptothecin exhibited remarkable antitumour and antileukaemia activity,its are in clinical trials to treat breast and coloncancers,small-cell lung cancer and leukemia etc.though camptothecin is limited because of serious side effects and poor water-solubity in clinic,either semi-synthetic or synthetic camptothecin drug (such as FDA approved irinptecan and topotecan)are satisfactory in curative effects.

We promise: We will provide actual goods with high quality below the market price. We wish to make mutual benefits with customers all over the world under the principle of cooperating and developing together and set up a honest and lasting cooperation relationship. Welcome to our company to visit and direct.