China TPU Invisible Car Film Extrusion Line Company & Companies

Providing state-of-the-art aliphatic TPU Paint Protection Film (PPF) extrusion solutions. Engineered for extreme precision, optical clarity, and structural longevity.

Featured High-Performance Extrusion Machinery

Explore our primary industrial production lines engineered for global manufacturing demands, matching top standards in polymer sheet and film extrusion.

High-Quality Meltblown Nonwoven Production Line Manufacturers

High-Quality Meltblown Nonwoven Production Line Manufacturers, Factory

Designed for premium filtration efficiency, supplying stable raw materials for high-grade medical and civilian protective gear worldwide.

Famous PP Hollow Lattice Board Extrusion Line Factory

Famous PP Hollow Lattice Board Extrusion Line Factory, Factories

High-speed production systems optimized for lightweight packing solutions, reusable boxes, and structural signs.

China High Capacity PET Packaging Sheet Extrusion Line

China High Capacity PET Packaging Sheet Extrusion Line, For Meal Box,Cup,Bowl Cover Manufacturer, Products

Engineered for food-grade clean room requirements with optimal energy saving mechanisms and heavy volume outputs.

China PC flame retardant sheet extrusion line Manufacturer

China PC flame retardant sheet extrusion line Manufacturer, Factory

Highly stable plasticizing processes producing fire-retardant polycarbonate sheets for aerospace, high-speed rail, and industrial electronics.

Best PP Two-Tone Sheet Extrusion Line Exporters

Best PP Two-Tone Sheet Extrusion Line Exporters, Companies

Multi-layer co-extrusion technology generating precise color-split polypropylene sheets for high-end stationery and automotive applications.

High-Quality PVB Automotive laminated glass Film Extrusion Line Factory

High-Quality PVB Automotive laminated glass Film Extrusion Line Factory, Factories

Crucial manufacturing machinery ensuring absolute safety optical index standards for windshield interlayers and construction safety glass.

High-Quality PEEK PFA PVDF Board Extrusion Line Company

High-Quality PEEK PFA PVDF Board Extrusion Line Company, Companies

Specialized high-temperature extruders built for advanced fluorine polymers, serving semiconductor and chemical storage tanks.

Best PLA Degradable Sheet Extrusion Line Factory

Best PLA Degradable Sheet Extrusion Line Factory, Companies

Leading green technology for biodegradable packaging, offering complete moisture controls and precise thermal regulation.

⚙️TPU Paint Protection Film: The Macro Industry Paradigm Shift

The global automotive aftermarket has transitioned rapidly from traditional waxes and temporary coatings to permanent Paint Protection Films (PPF), colloquially known as invisible car wraps. At the heart of this revolution is thermoplastic polyurethane (TPU). The manufacturing of these high-performance films demands exceptional optical clarity, self-healing responsiveness, and long-term resistance to yellowing.

As a premier China TPU Invisible Car Film Extrusion Line Company, Gwell is at the absolute forefront of configuring systems capable of processing aliphatic TPU resins. Aliphatic TPU molecules possess a linear hydrocarbon structure that is inherently UV-stable, ensuring that the film remains completely transparent even under prolonged solar radiation.

Developing such lines requires deep expertise in polymer rheology. TPU is notoriously hygroscopic and shear-sensitive. Even minor temperature spikes in the extruder can degrade the molecular weight, causing structural defects, gel points, or haze. Gwell’s integrated solutions employ specialized dehumidifying dryers, low-shear barrier screws, and highly accurate melt pumps to guarantee that raw TPU resins transition into a defect-free, optically flawless, micron-precise film structure.

🌐Global Commercialization Trends

The global PPF market size is projected to expand significantly, driven by growth in luxury vehicle sales, rising demand for aesthetic vehicle protection, and high resale value expectations. As local conversion shops upgrade their offerings, key manufacturing hubs look to scale up high-efficiency cast film lines to minimize production waste and secure high margins.

🔍Intelligent Quality Assurance

Gwell integrates online automatic thickness gauge sensors and high-speed visual inspection systems. These modules scan every square millimeter of the extruded film for gel spots, black specks, or flow lines, allowing operators to make live adjustments and maintain a 99.8% yield rate.

🔬Technical Roadmap & Precise Co-Extrusion

Delivering the next generation of invisible film extrusion engineering, designed to reduce operational downtime and raw material loss.

Aliphatic TPU Rheology Control

Our screw profiles are dynamically balanced to handle high viscosity variations. We maintain precise heat zones within ±0.5°C across the entire feed, melting, and metering sections to prevent high-shear thermal degradation.

Automatic T-Die Integration

Equipped with internally heated dies and thermal bolt micro-adjusters. The automatic die head reads thickness profiles from downstream scanners and automatically corrects die gap deviations in real time.

Multi-layer Lamination Technology

Invisible car films require base carrier films, protective coatings, and release liners. Our co-extrusion and online lamination processes assemble these layers under zero-dust, temperature-controlled environments.

Through relentless research and development, Gwell’s engineering roadmap is focused on the zero-solvent coating transition, allowing manufacturers to apply self-healing top-coats and adhesive layers without introducing volatile organic compounds (VOCs). This aligns with the strictest environmental rules in European and North American markets.

📁Gwell Classified Production Lines Catalog

Below are the primary machinery groups representing the complete technological capability of GWELL Machinery.

Cast Film Extrusion Line
ASA cast Film Extrusion

ASA Cast Film Extrusion Line

GWELL Machinery Co., Ltd., a leading manufacturer of plastic extrusion lines, proudly presents high durability weather-resistant films.

TPU Laminating film Extrusion

TPU Laminating Film Extrusion

TPU Laminating Film is a thin film material made from thermoplastic polyurethane with extreme elasticity and tensile strength.

TPU Cast Film Extrusion

TPU Cast Film Extrusion Line

The TPU films produced on GWELL's TPU Film Extrusion Line are versatile and suitable for automotive and medical packaging.

PVDF cast Film Extrusion

PVDF Cast Film Extrusion Line

PVDF solar backplane membrane use: PVDF membrane is an alternative to "tedlar" for the production of solar modules.

PVB Wedge Film Extrusion

PVB Wedge Film Extrusion Line

GWELL's PVB Wedge Film Extrusion Line represents a significant advancement in the manufacturing of safety automotive glass.

PVB interlayer film extrusion

PVB Interlayer Film Extrusion

The PVB interlayer film extrusion line from GWELL integrates cutting-edge cooling control with robust melt stabilization.

PVA Water Soluble Film Extrusion

PVA Water Soluble Film Extrusion

GWELL's PVA Water Soluble Film Extrusion Line is a specialized manufacturing setup tailored for packaging and eco-friendly bags.

PI Cast Film Extrusion Line

PI Cast Film Extrusion Line

Polycool imide (PI) is one of the best performing organic polymer materials, widely utilized in flexible circuit boards.

PEVA Cast Film Extrusion

PEVA Cast Film Extrusion Line

CHINA GWELL, a leading innovator in the field of plastic extrusion, proudly presents eco-friendly soft PEVA film solutions.

PETG Decorative Film Extrusion

PETG Decorative Film Extrusion

GWELL Machinery, renowned for its expertise in plastic extrusion technology, presents high-gloss PETG decorative lines.

Board Extrusion Line
PVC SPC WPC board extrusion

PVC SPC WPC Board Extrusion

GWELL's WPC and SPC Extrusion Line represents a cutting-edge technological advancement in eco-flooring.

PP Building Construction Board

PP Building Construction Board Line

High Production Efficiency: With automated controls and optimized parameters, the line delivers maximum uptime.

PEEK PFA PVDF Board Extrusion

PEEK PFA PVDF Board Extrusion Line

GWELL Machinery Co., Ltd., a renowned manufacturer of intelligent equipment for plastic processing, handles advanced fluorinated compounds.

PE and HDPE Board Extrusion

PE and HDPE Board Extrusion Line

GWELL's PE HDPE Board Extrusion Line is a state-of-the-art production line dedicated to environmental and geo-engineering boards.

PC Transparent Sheet Production

PC Transparent Sheet/Board Line

GWELL's PC PMMA Board Extrusion Line is a sophisticated manufacturing system engineered to produce flawless optic surfaces.

GPPS Diffuser plate Extrusion

GPPS Diffuser Plate Machine

GWELL's GPPS Diffuser Plate Machine is a highly advanced and efficient equipment designed for high-end light display applications.

Flexible graphite composite

Flexible Graphite Composite Board Line

GWELL's high performance industrial board lines produce materials optimized for severe sealants and heavy mechanical parts.

ABS icebox Board Extrusion

ABS Icebox Board Extrusion Line

GWELL's ABS Icebox Board Extrusion Line is a specialized production line designed to manufacture premium inner refrigerator parts.

ABS HIPS GPPS Board Extrusion

ABS HIPS GPPS Board Extrusion

GWELL's ABS, HIPS, and GPPS Sheet Extrusion Line represents a cutting-edge solution in the plastics packaging industry.

Sheet Extrusion Line
PCTG Sheet Extrusion Line

PCTG Sheet Extrusion Line

PCT/PCTG sheet is a high-performance transparent copolyester material that combines the rigidity of polycarbonate with excellent processability.

TPO & TPE Sheet Extrusion

TPO & TPE Sheet Extrusion Line

TPO and TPE Sheets are innovative materials widely used in automotive interiors, sealings, and athletic components.

Transparent Hard Plastic PVC

Transparent Hard Plastic PVC Line

GWELL Machinery Co., Ltd., a leading manufacturer in the field of plastic extrusion lines, offers premium transparent rigid sheets.

PP Two-Tone Sheet Extrusion

PP Two-Tone Sheet Extrusion Line

GWELL's PP Two-Tone Sheet Extrusion Line is a state-of-the-art manufacturing system designed specifically for stationery uses.

PP Blister Sheet Extrusion

PP Blister Sheet Extrusion Line

The PP PS Sheet Extrusion Line manufactured by GWELL utilizes advanced thermoforming-grade sheet processing logic.

PLA Degradable Sheet Extrusion

PLA Degradable Sheet Extrusion Line

PLA Degradable Sheet, short for Polylactic Acid Degradable Sheet, represents a sustainable type of biodegradable packaging.

PET Food Packaging Sheet

PET Food Packaging Sheet Line

GWELL, a leading manufacturer in plastics processing equipment, proudly presents high barrier sheet co-extruders.

PCL medical sheet production

PCL Medical Sheet Production Line

GWELL's PCL Sheet Extrusion Line is a specialized system designed for the efficient creation of medical orthopedics sheets.

PC PMMA Optic Sheet Extrusion

PC PMMA Optic Sheet Extrusion Line

The GWELL PC PMMA Optic Sheet Extrusion Line represents a cutting-edge manufacturing solution for clean display displays.

PC flame retardant sheet

PC Flame Retardant Sheet Extrusion

The machine is equipped with precision temperature engineering and automation features that ensure consistent retardant distributions.

Solar Extrusion Line
SGP Solar Film Extrusion

SGP Solar Film Extrusion Line

GWELL is proud to present its state-of-the-art SGP Solar Film Extrusion Line, designed for structural architectural laminates.

PVE Cast Film Extrusion

PVE Cast Film Extrusion Line

GWELL PVE Film Extrusion Line: A Premier Solution for Solar Encapsulation under high outdoor temperatures.

Polyurethane Solar Frame

Polyurethane Solar Frame Extrusion

The extrusion line is equipped with precision machinery and advanced cooling systems to ensure structural frame stability.

Hydrogen Energy PPS Separator

Hydrogen Energy PPS Separator Line

GWELL's Hydrogen Energy PPS (Polyphenylene Sulfide) Separator Extrusion Line is designed for clean-energy cell separation.

EVA POE Solar Film Extrusion

EVA POE Solar Film Extrusion Line

GWELL's EVA/POE Solar Film Extrusion Line is a cutting-edge manufacturing solution tailored for photovoltaic encapsulation.

EVA POE encapsulation film

EVA POE Encapsulation Film Line

Core Features of GWELL's EVA/POE Encapsulation Film Extrusion Line: High-Efficiency Extrusion with anti-shrinkage winding.

EPE solar cast film extrusion

EPE Solar Cast Film Extrusion Line

GWELL's EPE (Expanded Polyethylene) Solar Film Extrusion Line is engineered to produce multi-layer co-extruded PV encapsulation.

BIPV PVB photovoltaic film

BIPV PVB Photovoltaic Film Line

GWELL's BIPV PVB photovoltaic film production line is customized to integrate PVB glass sheets into construction modules.

🏢About CHINA GWELL MACHINERY CO., LTD.

China Gwell Machinery is a specialized high-tech enterprise dedicated to the design, manufacture, and installation of plastic extrusion lines for film, sheet, and profile applications. By relying on powerful domestic production technology, a robust supply chain network, and an innovative engineering spirit, Gwell continuously develops state-of-the-art products for the international market.

The company’s foundational philosophy is simple: "Expertise creates customers' values." By utilizing advanced components from globally recognized brands (such as Siemens PLC systems, Cloeren die heads, and high-precision melt pumps), Gwell ensures that every extrusion machine operating in Europe, the Americas, or Asia delivers peak reliability, safety, and output density.

3
Production Bases
866K
㎡ Total Construction Area
500
Global Employees
1000+
Annual Output Lines
Gwell Factory Production Base
Modern Techniques

Collaborate with major research institutes and universities to design next-gen extrusion screws.

Perfect Service

End-to-end support including pre-designing, on-site setup, calibration, and engineering training.

🌍Global Commercialization, Compliance & Applications

Operating industrial extrusion machinery requires strict adherence to international safety standards, electrical regulations, and localized processing environments.

CE & ISO Compliance

Our machines comply with CE standards, UL panel requirements, and ISO 9001 quality guidelines. Every electrical control cabinet is fully integrated and tested under simulated load conditions before shipment.

Localized Applications

Whether it is the hot, humid climates of Southeast Asia or the strict cleanroom emission rules in North America, we adapt the cooling loops, cleanroom air filters, and cooling roll enclosures to match local factory footprints.

Commissioning Support

Gwell maintains a team of over 100 mechanical and chemical engineers who provide on-site installation, screw optimization for specialized formulations, and continuous operator troubleshooting training.

📜Industrial Accreditation & Certification

Validated safety, design patents, and manufacturing processes certified by international inspection organizations.

Gwell Patent Certificate 1
Gwell ISO Certificate
Gwell CE Safety Certification
Gwell Inspection Document
Gwell Utility Model Patent
Gwell Quality Assurance Document
Gwell Export License
Gwell Environmental Certification

📰Latest Company & Technology News

Stay updated with our newest machine launches, international exhibition updates, and polymer processing innovations.

CHINA GWELL to Showcase Cutting Edge Solutions
Apr 14, 2026

CHINA GWELL to Showcase Cutting Edge Extrusion Lines

Discover our latest co-extrusion technology designed to reduce power usage by 15% during continuous running.

POE Leather Production Line
Feb 11, 2026

POE Leather Production Line Launches Successfully

A breakthrough in automotive interiors, replacing traditional PVC leather with recyclable POE elastomer layers.

Chinese PVB Wedge Film Production
Jun 25, 2025

Chinese PVB Wedge Film Production Line Reaches Peak Output

Engineered for high precision, efficiency, and compatibility to cater to the automotive windshield market.

PETG Decorative Film Extrusion
Mar 26, 2025

PETG Decorative Film Extrusion Line Delivered

Delivering eco-friendly high-gloss sheets for luxury furniture panels and commercial interior decor.

TPU Film Extrusion Line FAQ

Clear, technical answers to the most common questions regarding TPU invisible film extrusion manufacturing.

1. What makes aliphatic TPU superior to aromatic TPU for invisible car films (PPF)?
Aliphatic TPU uses linear chemical structures that do not absorb ultraviolet radiation in a way that causes chromophores (yellowing). Aromatic TPU, on the other hand, contains benzene rings that degrade under sun exposure, resulting in rapid yellowing and embrittlement. All high-quality PPF lines are optimized for aliphatic TPU processing.
2. How does Gwell ensure zero-defect surface quality on the extruded TPU film?
We employ high-precision melt pumps to eliminate output pulsation, cleanroom-enclosed die areas to stop ambient dust contamination, and induction-hardened mirror casting rollers. Online optical cameras also detect real-time gel spots or surface imperfections.
3. What is the typical thickness range of TPU films produced on your lines?
Our cast film systems are highly adjustable, producing precise thicknesses ranging from 5 mil (125 microns) to over 12 mil (300 microns), matching the standard specifications for automotive paint protection and military-grade applications.
4. Can the line co-extrude multi-layer materials?
Yes, our co-extrusion feedblock feeds multiple melt streams from distinct extruders, allowing for A/B/C or A/B multilayer configurations where you can combine different grades of TPU or add carrier layers directly in a single pass.

🤝Our Industrial Cooperation Partners

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Ready to Establish a World-Class Film Extrusion Factory?

Contact Gwell’s engineering consulting desk today. Get customized configurations, chemical formulation recommendations, and factory floor blueprints.

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🛠️Additional High-Demand Extrusion Plants

We design and manufacture specialized extrusion units across multiple sectors including automotive safety, construction, clean energy, and packaging.

Famous PVB Wedge Film Extrusion Line Manufacturers

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Precision tapered cross-section PVB extrusion for automotive HUD (Heads-Up Display) laminated safety windshields.

High-Quality PP Building Construction Board Extrusion Line

High-Quality PP Building Construction Board Extrusion Line Manufacturers, Exporters

Durable, high-load building panels designed to replace traditional plywood, lowering concrete casting costs.

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Structural sandwich panels designed for automotive trunks, side linings, and lightweight logistic panels.

Best PCTG Decorative Film Extrusion Line Manufacturers

Best PCTG Decorative Film Extrusion Line Manufacturers, Factory

Modern interior wrapping solutions featuring scratch resistance, crystal clarity, and excellent embossing compatibility.

High-Quality Hydrogen Energy PPS Separator Extrusion Line

High-Quality Hydrogen Energy PPS (Polyphenylene Sulfide) Separator Extrusion Line Manufacturer, Factories

Specialized membrane lines serving alkaline water electrolysis and advanced fuel cell stacks.

Custom PVE Cast Film Extrusion Line Manufacturer

Custom PVE Cast Film Extrusion Line Manufacturer, Company

Engineered specifically for solar encapsulation, delivering excellent water vapor barrier performance and long durability.

High-Quality Transparent Hard Plastic Pvc Sheet Extrusion Line

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Industrial grade PVC calendered sheet line with precise thickness stability for protective barriers and electrical enclosures.

Famous PVC EVA Waterproof Sheet Extrusion Line

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Geomembrane co-extrusion sheets built for heavy roof sealing, high-speed rail tunnels, and waste storage lining.