38mm 38/400 Unishell Screw Cap Tinplate Metal Cap for Bottles OEM ODM China Factory RoHS Compliant FDA Test Report

38mm 38/400 Unishell Screw Cap Tinplate Metal Cap for Bottles OEM ODM China Factory RoHS Compliant FDA Test Report. Pharmaceutical-Grade Hygiene: Produced in ISO9001-certified Class 10,000 cleanroom for strict quality control. Fully Customizable Design: Customizable sizes, colors, finishes, printing, and branding elements. Patented Precision Technology: Proprietary manufacturing techniques ensure high-precision closure solutions. Eco-Friendly & Safe Materials: Made from tinplate and aluminum, meeting global safety regulations. Superior Corrosion Resistance: Excellent sealing integrity suitable for long-term storage in various environments. Global Delivery Capability: Factory direct supply with competitive pricing and reliable overseas shipping. 30+ Years Manufacturing Expertise: Over three decades of experience in precision-engineered metal screw caps. Versatile Size Options: Available in 38mm, 45mm, 53mm, 58mm, 70mm, and 89mm sizes.