What industries use these stoppers?

They are widely used in the medical, chemical, and laboratory industries.

What is the material composition of the stopper?

The stopper is made primarily from high-quality butyl rubber.

20mm Butyl Rubber Stopper for Infusion Bottle

Name: 20mm Butyl Rubber Stopper for Infusion Bottle
Brand: CHANGZHOU WQS PHARMACEUTICAL PACKAGING CO., LTD
SKU: 2154708035

Jiangsu, ChinaCHANGZHOU WQS PHARMACEUTICAL PACKAGING CO., LTD

US$0.03-0.06

10,000 Pieces

Product profile

Customization

Available

Type

Bottle Stopper

Material

Butyl Rubber Stopper

Model NO.

Closure and Seals for Glass Infusion Bottle

Shape

Round Type

Standard

ISO/Ybb/GMP Standard

Characteristics

Odorless, Low Air Permeability

Transport Package

PE Sterilie Bag +Export Carton Box

Specification

13mm/15mm/20mm/28mm/32mm

Trademark

WQS

Origin

Danyang China

HS Code

4016990000

Production Capacity

90000000000 /Year

Key features

Superior Sealing Performance: High-quality butyl rubber offers excellent airtightness and chemical resistance.

Customizable Shape: Shape can be customized to Round Type to meet specific industry needs.

ISO and GMP Compliance: Meets ISO, Ybb, and GMP standards for pharmaceutical and chemical safety.

Odorless and Low Permeability: Features odorless properties and low air permeability for drug stability.

20+ Years Industry Experience: Manufacturer with over 20 years of expertise in pharmaceutical packaging.

Wide Size Range: Available in multiple standard sizes from 12mm to 34mm with precise dimensions.

Competitive Pricing: High-quality products offered at extremely competitive market prices.

Professional After-Sales Service: Dedicated support team ensuring customer satisfaction and product reliability.

Company profile

Importers and ExportersProduct Certification100% Finished Products InspectionQuality Assurance

CHANGZHOU WQS PHARMACEUTICAL PACKAGING CO., LTD

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤3.40h

AI-Powered supplier vetting

SummaryCHANGZHOU WQS PHARMACEUTICAL PACKAGING Co., Ltd is identified as a trading company operating in Category I medical devices, technical services, and import/export activities. It reports substantial tubular glass vial output, broad export-market coverage, inventory capability, and customization from samples and designs. It also provides ODM and OEM services and has quality assurance with raw-material traceability. However, the evidence indicates limited formalized management documentation: service procedures and corrective actions lack written records, finished products are checked by packing staff, and complaint handling has procedures without written records. The supplier is not identified as a professional technical supplier, provides no 3D software design or SDK, and reported no new products in the past year. No certification, financial-strength, or customer-case evidence is provided.

Supplier typeThe supplier’s stated business scope includes sales of Category I medical devices, technical services, technology-related activities, and import/export operations. Its company type is explicitly identified as a trading company, indicating a trade-oriented rather than clearly manufacturing-focused profile.

R&D capabilityThe supplier describes an innovative and sustainable orientation and offers ODM services, but it is explicitly not classified as a professional technical supplier, does not provide 3D software design or an SDK, and reported no new products in the past year. The concrete evidence therefore indicates limited demonstrated recent innovation capability.

Production capacityThe supplier reports tubular glass vial output of 1,000,000,000 pieces, inventory capability, export operations, and peak-season fulfillment within one month. However, it is also identified as a trading company, so the slices support supply and fulfillment capacity more clearly than direct owned manufacturing capability.

Customization capabilityThe supplier explicitly offers customization from samples and designs, as well as ODM and OEM services for popular brands. These multiple stated service forms provide direct evidence of customization capability.