


Ready to Use, Ready to Trust !


Quality Matters Most
As both the manufacturer and user of RTU (Ready-to-Use) vials, we possess a unique, dual perspective that allows us to truly understand what matters most to our customers. Our facility is a renowned domestic pharmaceutical manufacturer with strong CMO capabilities. We perform all critical downstream processes—professional cleaning, drying, and sterilization—in-house to deliver premium RTU solutions. These same high-quality RTU vials are used daily in our own production lines and have been trusted by major international clients. This first-hand experience enables us to anticipate and address every key concern: uncompromising sterility assurance, minimal particulate control, perfect compatibility, reliable supply chain performance, and ease of use.


GMP-Grade RTU Production
To provide the most reliable Ready-to-Use (RTU) packaging solutions for global pharmaceutical companies, we have invested in an original German-Original BOSCH fully automated linkage line. The entire process—from ultrasonic cleaning and 315℃ depyrogenation to final collection under Class A laminar flow—is fully closed and automated, eliminating any risk of contamination from human intervention. Supported by the industry-leading USA Steris WFI system and rigorous environmental controls, we guarantee that every vial delivered offers unparalleled consistency and sterility (SAL), fully aligning with the highest EU, FDA, and China GMP standards.


Water For Injection System
At the heart of our RTU vial production lies a pharmaceutical-grade Water For Injection system built on the Steris Finn-Aqua multi-effect distillation unit — a globally recognized standard for pyrogen-free water production. Operating within a fully recirculating hot distribution loop maintained at ≥70°C, our WFI system consistently delivers water meeting the stringent requirements of USP, EP, and Chinese Pharmacopoeia: conductivity below 1.0 μS/cm, TOC ≤ 0.5 mg/L, and bacterial endotoxins below 0.25 EU/mL. Every vial washed on our line receives a final rinse through dual 0.22 μm PALL sterilizing-grade filters, ensuring that the cleanliness of each container is traceable to a verified, compliant water source — giving your filling operation a foundation you can trust.
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
