1. Sangon Biotech: is China's largest and highest market share of professional biotechnology companies, providing a variety of culture medium supporting reagents.
2. Yili Fine Chemical: a company that sells laboratory reagents and instrumentation, providing different types of culture medium supporting reagents.
3. Sigma-Aldrich: a supplier of chemical reagents and scientific research instruments and equipment, offering a wide range of culture medium supporting reagents.
4. Corning: a global life sciences company that offers many high quality culture media and related reagents.
If you are abroad, you may consider purchasing from local suppliers of laboratory equipment and chemical reagents. Before purchasing, it is recommended to check the relevant ingredients, scope of application and usage of the products in advance to ensure that the products purchased can fulfill the experimental needs.