1. Pharmaceutical enterprises: These enterprises are mainly engaged in research and development, production and sales of drugs, including chemicals, biological drugs and traditional Chinese medicine.
2. Medical device enterprises: These enterprises are mainly engaged in research and development, production and sales of medical devices, and their products include medical imaging equipment, surgical instruments, in vitro diagnostic reagents, etc.
3. Pharmaceutical R&D institutions: These institutions are mainly engaged in research and development of new drugs, drug screening, pharmacokinetics, etc., and provide technical support for pharmaceutical enterprises.
4. Pharmaceutical enterprises: These enterprises are mainly engaged in the import, export, wholesale and retail of pharmaceuticals, providing logistics and sales channels for the pharmaceutical industry.