38mm 38/400 Metal Cap Unishell Screw Cap for Bottles ISO9001 Factory OEM ODM Available CE Marking RoHS/Reach Compliant

38mm 38/400 Metal Cap Unishell Screw Cap for Bottles ISO9001 Factory OEM ODM Available CE Marking RoHS/Reach Compliant. Pharmaceutical-Grade Hygiene: Produced in ISO9001-certified Class 10,000 cleanroom for safe sealing. Fully Customizable Design: Custom sizes, colors, finishes, printing, and branding elements available. Patented Precision Technology: Proprietary manufacturing techniques ensure high-precision closure solutions. Eco-Friendly & Safe Materials: Made from tinplate or aluminum, meeting global safety and sustainability goals. Versatile Size Options: Available in 38mm, 45mm, 53mm, 58mm, 70mm, and 89mm sizes. Superior Corrosion Resistance: Excellent resistance suitable for long-term storage in various environments. Global Export Capability: Trusted by international brands with reliable overseas supply chains. Competitive Factory Pricing: Direct supply from manufacturer with over 30 years of expertise.