



Seals
We offer a wide range of aluminum caps and aluminum/plastic combined caps to complement your vial configuration. Available in multiple sizes, colors, and finishes, our caps meet international pharmaceutical standards and can be customized to match your branding or application requirements.
Stoppers
Our rubber stoppers are available in a variety of formulations and dimensions, designed to ensure an airtight, contamination-free seal for your vials. Whether you require standard configurations or application-specific solutions, we work with you to identify the right closure for your product needs.
Seals & Stoppers
Yangtze Primary Packaging delivers inspection-ready RTU vials backed by 50+ years of Chinese pharmaceutical heritage, processed on German-original BOSCH lines to SAL 10⁻⁶ — ready for your aseptic filling line.
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Address: No. 9 Yunhe West Road, Xuejia Town, Xinbei District, Changzhou City, Jiangsu Province, China
Email: info@yangzijiang.hk
