Anti-Tumoror anti-cancer Intermediates belongs to a class of relatively small products in my company, but we still put large effort and more financial resources to develop those products. We firmly believe that Anti-Tumor Intermediates has big market demand in the future, because currently the internal growth of tumor diseases is fastly spreed in the worldwide, particularly It is becoming a threat to the survival of number one killer in Asia. Every year we will launch a new Anti-Tumor Intermediates, Dolutegravir intermediates are the most representative latest intermediates. We can provide the entire product line from basic raw materials to intermediate and API, in addition we can offer full range of impurities. we can offer customers free of impurities under commercial orders, which has great significance in applying for approval of the product.