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Help CenterBottle Neck Ring for Pharmaceutical Vial Sealing 20mm Diameter Sterile Packaging
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998, is a trusted manufacturer specializing in precision sealing components for the pharmaceutical industry. Our Bottle Neck Ring for Pharmaceutical Vial Sealing (20mm diameter, sterile packaging) is designed to provide reliable, tamper-evident closure for vials used in injectable drugs, vaccines, and liquid medicines. With over two decades of manufacturing experience and an annual export value of US$5–10 million, we deliver consistent quality that meets global market demands. Each ring is produced under strict quality control to ensure perfect fit, secure sealing, and sterile integrity, making it an ideal choice for pharmaceutical companies worldwide.
This product is engineered to work seamlessly with standard 20mm vial necks, offering a combination of aluminum and plastic components that provide both strength and flexibility. The sterile packaging ensures that the rings are ready for direct use in aseptic filling lines, reducing contamination risks and saving valuable processing time. Whether you need a standard silver finish or custom colors for product differentiation, our rings are available in multiple configurations to suit your specific requirements.
Key Features & Technical Specifications
- Precision 20mm Diameter – Tight tolerance (±0.1mm) ensures a snug fit on standard pharmaceutical vial necks, preventing leakage and maintaining seal integrity.
- High-Quality Materials – Available in medical-grade aluminum alloy or polypropylene, both are non-toxic, corrosion-resistant, and compatible with common sterilization methods.
- Sterile Packaging Option – Rings are supplied in gamma-irradiated blister packs or pouches, certified for sterility (validation documentation available upon request).
- Tamper-Evident Design – Flip-off or tear-off tabs provide clear visual evidence of opening, ensuring product safety and compliance with regulatory standards.
- Customizable Colors – Choose from a wide range of colors (e.g., blue, red, green) for easy identification of different drug formulations or lot numbers.
- Smooth Burr-Free Surface – Precision tooling and deburring processes eliminate sharp edges, protecting both the vial and handling personnel.
- Low Particle Generation – Manufactured in cleanroom-compatible environments; optional washing and silicone-free packaging available.
| Parameter | Specification |
|---|---|
| Outer Diameter | 20.0 mm ± 0.1 mm |
| Inner Diameter | 13.0 mm ± 0.15 mm (designed for standard vial neck) |
| Thickness | 0.25 mm (aluminum) / 0.30 mm (plastic) |
| Sterilization Method | Gamma irradiation (25 kGy) or E-beam (available upon request) |
| Packaging Options | 500 pcs/blister, 1000 pcs/bag, or bulk in sealed cartons |
| Operating Temperature | -20°C to +121°C (autoclavable for plastic version) |
Our bottle neck rings are used extensively in the pharmaceutical industry for sealing vials containing antibiotics, vaccines, insulin, and other injectable drugs. The 20mm diameter is one of the most common sizes worldwide, and our rings are compatible with standard capping machines. By choosing our product, customers benefit from reduced downtime, fewer rejects, and enhanced patient safety.
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
- 25+ Years of Manufacturing Excellence – Since 1998, we have continuously refined our production processes to deliver consistent quality.
- Global Export Experience – With annual exports of US$5–10 million, our products are shipped to North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and more.
- Flexible Shipping Options – We ship from major Chinese ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring fast and cost-effective logistics.
- Customization Capabilities – We offer custom colors, embossing, and special packaging to meet your unique branding or regulatory requirements.
- Strict Quality Control – Each batch is tested for dimensional accuracy, seal integrity, and cleanliness before shipment.
We understand that the pharmaceutical industry demands unwavering reliability. Our 20mm bottle neck rings are manufactured with precision and care, backed by decades of expertise. We invite you to request samples or visit our factory in Hengshui, Hebei, China to see our production capabilities firsthand. Contact us today to discuss your specific requirements, and let us help you secure your vials with confidence.
Frequently Asked Questions
Q1: Are these bottle neck rings compatible with all 20mm vial capping machines?
A: Yes, our rings are designed to standard 20mm dimensions and are compatible with most automatic and semi-automatic capping machines used in the pharmaceutical industry. We recommend testing a sample with your specific equipment to ensure optimal performance.
Q2: What materials are available, and which is best for my application?
A: We offer both medical-grade aluminum alloy and polypropylene (plastic) options. Aluminum provides superior barrier properties and is ideal for oxygen-sensitive drugs. Plastic is suitable for less demanding applications and offers cost savings. Both materials are non-toxic and can be sterilized.
Q3: Do you provide sterilization validation documentation?
A: Yes, we can provide certificates of sterility and validation reports for gamma-irradiated batches upon request. Please specify your requirements when placing an order.
Q4: Can I order custom colors or printing on the rings?
A: Absolutely. We offer a wide range of colors and can also emboss or print logos, lot numbers, or other markings on the rings. Customization is available with minimum order quantities as agreed.
Q5: What is the typical lead time for an order?
A: For standard sizes and colors, lead time is 10–15 working days after confirmation. Custom orders may require 20–25 working days. We can expedite urgent orders subject to production capacity.
Q6: How are the rings packaged to maintain sterility?
A: Sterile rings are packed in vacuum-sealed blister packs or double-wrapped pouches, then placed in sealed cartons. Each package is labeled with production date, batch number, and sterilization indicator. Non-sterile bulk packaging is also available.
Q7: Can you provide free samples for evaluation?
A: Yes, we offer free samples (standard sizes) for qualified pharmaceutical companies. Please contact us with your company details and intended application, and we will arrange shipment.
Q8: What is your quality control process?
A: Our QC includes dimensional inspection using calibrated gauges, visual inspection for surface defects, leak testing on a random sample from each lot, and sterility testing for sterile batches. We follow ISO 9001 quality management principles (internal system) to ensure consistency.
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