Aozeal Certified Standards, Inc

We are CDMO engaged into drug impurities research,customed synthesis almost 10 years. In addition we establish long-term in-depth partnership with many worldwide pharma, especially including USP, ER, LGC, Clearsynth, etc Our main products cover drug impurity standard,intermediates and other pharmaceutical reference standards with customers' desired purity. Most of our products are in stock and wi...