The company (referred to as "Pharmaceutical Technology", stock code: 300725) is the world's leading provider of innovative chemical products and services in drug research and development. Drug stone technology was officially put into operation in 2008. Through years of meticulous cultivation, it has been widely recognized by the industry for its excellent design, synthesis and supply capacity in the field of molecular blocks. The company is the world's leading supplier of innovative chemical products and services in the field of drug research and development. The main business includes R & D, process development, production and sales of pharmaceutical molecular blocks, key intermediates downstream of pharmaceutical molecular blocks, API development and production services, and preparation development and production services (CDMO). The main products include pharmaceutical molecular blocks, downstream key intermediates, raw materials and preparations, such as Jiangsu Engineering and Technology Research Center, Nanjing Engineering and Technology Research Center, Jiangsu High-tech Enterprise recognition and so on.