
Premium Medical-Grade Rubber Plug for Blood Storage Safety. 20 Years Experience: Leading factory with 20 years of experience in pharmaceutical packaging materials. FDA DMF Certified: Products certified by FDA DMF and approved by ISO 15378, ISO 9001, ISO 14001, ISO 45001. Customization Support: Accepts OEM/ODM services with customer designs and custom colors/sizes available. Free Samples: Free samples provided for quality testing and market evaluation. Fast Delivery: General lead time is 15-20 days after contract signing and deposit receipt. High Quality Control: 100% inspection for finished products with 45 QA/QC inspectors ensuring quality. Halogenated Butyl Rubber: Made from halogenated butyl rubber suitable for vacuum blood collection applications. Wide Specification Range: Available in multiple specifications including D4, K2, K3, K13, Z14, K15, K16, etc.