
Tinplate Unishell Cap 53mm 53/400, OEM Metal Screw Cap for Bottles, CE Marking, ISO9001 Factory, FDA Test Report. Pharmaceutical Grade Safety: Produced in Class 10,000 cleanroom meeting strict hygiene and safety standards. Fully Customizable Design: Customizable sizes, colors, finishes, printing, embossing, and branding elements. Patented Precision Technology: Proprietary manufacturing techniques ensure high-precision closure solutions. ISO9001 Certified Production: Manufactured under strict ISO9001 quality management systems. Superior Corrosion Resistance: Excellent resistance suitable for long-term storage in various environments. Wide Size Range: Available in 38mm, 45mm, 53mm, 58mm, 70mm, and 89mm options. Premium Material Options: Constructed from high-quality tinplate or aluminum for durability. Eco-Friendly & Safe: Sustainable packaging solutions meeting global safety regulations.