Beijing holley-cotec pharmaceuticals. Co. Ltd--the expert for tropical diseases Is a professional company which experts at tropical diseases. We devote ourselves to manufacturing, promoting and selling more than 50 different products. Our products range over the fields of chemical medicine, diagnostic reagents, vaccine and traditional chinese medicine. The most famous one of them is cotecxin? Which chemical name is dihydroartemisinin, one of the best antimalarial widely recognized by doctors and pharmacists. It also enjoys a high reputation all over the tropical area. Since its inception in 1992, cotec has established its marketing network in nearly more than 70 countries around the world, especially in africa, asia, central& south america and south pacific region. In the meantime, for the purpose of r&d, We have also built a powerful technical support and consultant team in which involves many famous chinese and foreign professors and doctors in our technical fields. China h