38mm 38/400 Metal Screw Cap Unishell Cap for Bottles ISO9001 Factory OEM Service RoHS/Reach Compliant FDA Compliance Test

38mm 38/400 Metal Screw Cap Unishell Cap for Bottles ISO9001 Factory OEM Service RoHS/Reach Compliant FDA Compliance Test. Pharmaceutical-Grade Hygiene: Produced in ISO9001-certified Class 10,000 cleanroom for strict quality control. Fully Customizable Design: Custom sizes, colors, finishes, printing, and branding elements 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: Meets global safety regulations and supports corporate sustainability goals. Global Delivery Capability: Factory direct supply with competitive pricing and reliable overseas shipping. Versatile Application Range: Ideal for medicine, nutraceuticals, spirits, perfumes, and food & beverage. Multiple Size Options: Available in 38mm, 45mm, 53mm, 58mm, 70mm, and 89mm sizes.