Guangzhou Lanning Biotechnology Co., Ltd. is a research and development drug registration process involved in the impurity reference products as the core, providing customized synthesis of impurity reference products, preparation and separation of impurities in the process of drug registration of the overall solution of technology enterprises. Professional research and development of drug impurity control products, own research and development laboratory, product quality control department, quality control. Complete spectrum, COA, hydrogen spectrum, carbon spectrum, mass spectrometry, liquid phase, ultraviolet, infrared, TGA. Spot can be delivered on the same day, the order can provide samples for the major pharmaceutical companies to successfully pass the consistency evaluation escort...