Zhejiang Raybow PharmaScience (formerly known as Raybow Pharmaceutical) is a contract development and manufacturing organization (CDMO) that produces medication. It focuses on research and development activities, including process development deliverables, proprietary technologies, analytical method research, development, and validation, stability evaluation, and analytical instrumentation. The company also provides preclinical study, phase I, II, and III, registration, commercial, and custom manufacturing services for the clinical stage development.