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With a perfect core.

As lithium battery production spreads globally, one component remains fundamentally critical: the winding core. While new gigafactories emerge across North America, Europe, and Asia, each facility depends on precision winding cores to ensure manufacturing efficiency and cell quality. We provide the reliable foundation for this expanding industry. Wherever battery production grows, consistent…

In industries where flawless winding is non-negotiable – from battery electrode manufacturing to foil processing and film production – the core matters more than you think. Our engineered plastic tubes deliver:• Perfect concentricity for uniform tension• Superior strength to prevent deformation• Smooth surfaces that protect sensitive materials Whether you’re handling delicate battery…

In the world of winding films, foils, and battery materials, success often hinges on a component that’s out of sight: the plastic core. A subpar core can be the hidden source of major problems: Wrinkles & Scratches on sensitive materials. Static Dust attracting contamination in clean rooms. Telescoping Rolls that lead to waste and downtime. Three traits of a high-value…

Innovation · Quality · Sustainability Established in 2001, Suzhou Tianyu Plastic specializes in precision polymer extrusion and injection molding solutions. With 20+ years of experience, we serve global leaders across multiple industries. Key Strengths: 52+ patents and annual development of 50+ new materials Eco-friendly production with solar power and recycling systems Automated…

3 Innovations to Solve Your Winding Challenges (Free Tool Inside) The Problem Every Manufacturer Faces​ Thin films like battery electrodes or copper foils demand perfection. Even a 0.1mm defect can scrap costly materials. Here’s How We Fix It​​: Core Innovation 1: Laser-Calibrated Precision​​ ​​±0.05mm Tolerance​​ – Maintains integrity of ultra-thin foils at 15m/s+ speeds ​​Anti-Static…

How Chinese Precision Cores Are Solving North America’s Top Battery Production Pain Points Last quarter, a Michigan battery plant scrapped $280K worth of separator film due to “mysterious” wrinkles. The culprit? An out-of-spec steel core causing 0.2mm eccentricity during high-speed winding. As North America races to build 300GWh of battery capacity by 2025, incidents like this reveal why…

To eliminate or reduce internal bursting and edge warping during winding, ensuring a neat roll, a strip of adhesive tape is applied to the surface of the winding core. The separator is then wound onto the core with the adhesive tape. The gap between the winding core and the driving rollers is adjusted, followed by edge pressing to flatten the edges of the separator. In addition to the winding…

Just take several cores to my baby.

Baby: Is it red?

Me: No, it's dark red.

Baby: Is it white?

Me: umm... it's light yellow

T-CORER® is a unique stepped design tube with a smooth and stable inner diameter. It features a designed step difference on the outer diameter, ensuring a smooth outer wall while providing uniformity and straightness. The step design is customized based on the thickness of the rolled material, acting as a starting point for winding. The stepped design also eliminates first-layer creases, which…