The "Jiangsu High-Quality Products" certification is an authoritative recognition of "high standards, high quality, and high reputation." Qianrun’s core product—PA/PE multi-layer co-extruded barrier bags—vividly embodies this exceptional standard.

The product has achieved mature applications across various fields and scenarios, including vacuum bags, thermoforming films, vacuum skin films, and MDO films in the food packaging industry; high-barrier disposable bags in the daily chemical industry; and puncture-resistant ton bag liners for industrial use, among other diverse needs.
Through continuous technological innovation, the product has consistently improved in mechanical strength, barrier performance, and practical reliability. To date, Jiangsu Qianrun and its parent company have filed a total of 56 patents, including 40 utility model patents and 16 invention patents.
These patent achievements have been fully integrated into material formulations, processes, and functional designs, ensuring high standards and quality from the source. This has earned the company extensive market trust and high praise from customers.





