Changzhou Fenghai Pharmaceutical Technology Co., Ltd. was founded in 2024. With H&D as our own brand of drug impurity reference substances, we work hard to provide custom synthesis and preparative separation services of pharmaceutical impurities & small molecule compounds. At present, our products include Drug standard substances, Drug impurity reference substances, Featured intermediates, analytical testing, and custom synthesis service of compounds. Up to now, our company has successfully collected over tens of thousands of impurity reference substances and standard substances, and has completed the customized synthesis of hundreds of Featured intermediates. With complete variety, our products are covering more than 98% of cutting-edge generic drug projects; moreover, we also offer all kinds of spectrums such as COA, hydrogen spectrum, carbon spectrum, mass spectrometry, liquid phase, ultraviolet, infrared, TGA, quantitative hydrogen spectrum and two-dimensional spectrum; We provide a number of quality spot products in fast delivery and good price.