Product Introduction: Intended use: Used for transport and preservation of clinical samples of aerobic bacteria, anaerobic bacteria, hypotrophic bacteria, viruses and chlamydia. Not used for microbial identification and drug sensitivity tests. Storage condition: Storage at room temperature, away from light, environmental humidity < 80%, disposable test-tube products should be stored in 5-25 Product performance index: This product is uniform, no precipitation of gel solid; After sterilization, the pH of the medium should be 7.3±0.1 at 25 Sample requirements and applicable instruments: Suitable for laboratory equipment The collection, storage, handling and transportation of samples should be strictly aseptic to avoid contamination.