38mm 38/400 Unishell Screw Cap China Factory Metal Cap for Bottles Tinplate OEM Service CE Marking RoHS Compliant

38mm 38/400 Unishell Screw Cap China Factory Metal Cap for Bottles Tinplate OEM Service CE Marking RoHS 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 available. Premium Material Options: Available in high-quality tinplate and aluminum with superior corrosion resistance. Patented Precision Technology: Proprietary manufacturing techniques ensure high-precision closure solutions. Eco-Friendly & Safe: Sustainable packaging solutions meeting global safety regulations. Wide Size Range: Available in 38mm, 45mm, 53mm, 58mm, 70mm, and 89mm sizes. Competitive Factory Pricing: Direct supply from manufacturer with over 30 years of expertise. Global Delivery Capability: Trusted by international brands with reliable overseas supply.