we would like to introduce we are a high-tech enterprise specializing in pharmaceutical intermediates. and integrated with r&d, production and marketing. we concentrate on the specific needs of our customers involved in drug discovery, anti-cancer drug, biopharmaceuticals as well as health food and cosmetic. we avail ourselves of this oppotunity to approach you for the establishment of trade relations with you. our products include: camptothecin, 10-hydroxycamptothecin, 7-ethyl-10-hydroxy camptothecin, irinotecan, topotecan, capsaicin, soy isoflavones, chiral intermediate, pharmaceutical intermediate, heterocyclic compound,piperidine series, piperidone series, piperazine series, pyrrolidine series, pyrrolidone series.