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First generation technology

The "blown film method" is adopted, which belongs to the earliest synchronous film method.
Second generation technology

By adopting the " 1. Sequential biaxial stretching method", the performance of film has been significantly improved, and the industrialized production level of film has been greatly improved.
Third generation technology

The "mechanical simultaneous stretching technology " has a good balance, and the application limitations caused by the arch effect can be solved.
Fourth generation technology

The " 3. The state-of-the-art LISIM simultaneous stretching technology " is adopted to control the stretching ratio more flexibly to obtain functional film products with stronger comprehensive performance. It can meet the customized and personalized market demand
Fifth generation technology

Adopting "low-carbon biaxial stretching technology", on the one hand, it breaks through the limits of width and speed, On the other hand, through multi-dimensional innovation such as formula research, film structure design and process technology, reduce carbon emissions in the process of production and reduce the carbon footprint of products.

Production Equipment

Changsu has been deeply engaged in the new material industry for many years. Based on our deep understanding and comprehensive grasp of the stretching process technology, we have continued to upgrade the equipment in combination with our own requirements for product innovation, energy conservation and emission reduction, and formed unique patented technology, which has realized the progressiveness of equipment and the optimization of comprehensive cost.
Polymerization Equipment

We master industry-leading preparation technology and build multiple flexible continuous polymerization production lines, which can produce polymer products with different viscosities and ensure uniform molecular weight distribution. We meet the increasingly diverse needs of different fields with high-quality standards and customized production, ensuring that we provide customers with the highest quality products

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