Explore our primary industrial production lines engineered for global manufacturing demands, matching top standards in polymer sheet and film extrusion.
Designed for premium filtration efficiency, supplying stable raw materials for high-grade medical and civilian protective gear worldwide.
High-speed production systems optimized for lightweight packing solutions, reusable boxes, and structural signs.
Engineered for food-grade clean room requirements with optimal energy saving mechanisms and heavy volume outputs.
Highly stable plasticizing processes producing fire-retardant polycarbonate sheets for aerospace, high-speed rail, and industrial electronics.
Multi-layer co-extrusion technology generating precise color-split polypropylene sheets for high-end stationery and automotive applications.
Crucial manufacturing machinery ensuring absolute safety optical index standards for windshield interlayers and construction safety glass.
Specialized high-temperature extruders built for advanced fluorine polymers, serving semiconductor and chemical storage tanks.
Leading green technology for biodegradable packaging, offering complete moisture controls and precise thermal regulation.
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.
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.
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.
Delivering the next generation of invisible film extrusion engineering, designed to reduce operational downtime and raw material loss.
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.
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.
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.
Below are the primary machinery groups representing the complete technological capability of GWELL Machinery.
GWELL Machinery Co., Ltd., a leading manufacturer of plastic extrusion lines, proudly presents high durability weather-resistant films.
TPU Laminating Film is a thin film material made from thermoplastic polyurethane with extreme elasticity and tensile strength.
The TPU films produced on GWELL's TPU Film Extrusion Line are versatile and suitable for automotive and medical packaging.
PVDF solar backplane membrane use: PVDF membrane is an alternative to "tedlar" for the production of solar modules.
GWELL's PVB Wedge Film Extrusion Line represents a significant advancement in the manufacturing of safety automotive glass.
The PVB interlayer film extrusion line from GWELL integrates cutting-edge cooling control with robust melt stabilization.
GWELL's PVA Water Soluble Film Extrusion Line is a specialized manufacturing setup tailored for packaging and eco-friendly bags.
Polycool imide (PI) is one of the best performing organic polymer materials, widely utilized in flexible circuit boards.
CHINA GWELL, a leading innovator in the field of plastic extrusion, proudly presents eco-friendly soft PEVA film solutions.
GWELL Machinery, renowned for its expertise in plastic extrusion technology, presents high-gloss PETG decorative lines.
GWELL's WPC and SPC Extrusion Line represents a cutting-edge technological advancement in eco-flooring.
High Production Efficiency: With automated controls and optimized parameters, the line delivers maximum uptime.
GWELL Machinery Co., Ltd., a renowned manufacturer of intelligent equipment for plastic processing, handles advanced fluorinated compounds.
GWELL's PE HDPE Board Extrusion Line is a state-of-the-art production line dedicated to environmental and geo-engineering boards.
GWELL's PC PMMA Board Extrusion Line is a sophisticated manufacturing system engineered to produce flawless optic surfaces.
GWELL's GPPS Diffuser Plate Machine is a highly advanced and efficient equipment designed for high-end light display applications.
GWELL's high performance industrial board lines produce materials optimized for severe sealants and heavy mechanical parts.
GWELL's ABS Icebox Board Extrusion Line is a specialized production line designed to manufacture premium inner refrigerator parts.
GWELL's ABS, HIPS, and GPPS Sheet Extrusion Line represents a cutting-edge solution in the plastics packaging industry.
PCT/PCTG sheet is a high-performance transparent copolyester material that combines the rigidity of polycarbonate with excellent processability.
TPO and TPE Sheets are innovative materials widely used in automotive interiors, sealings, and athletic components.
GWELL Machinery Co., Ltd., a leading manufacturer in the field of plastic extrusion lines, offers premium transparent rigid sheets.
GWELL's PP Two-Tone Sheet Extrusion Line is a state-of-the-art manufacturing system designed specifically for stationery uses.
The PP PS Sheet Extrusion Line manufactured by GWELL utilizes advanced thermoforming-grade sheet processing logic.
PLA Degradable Sheet, short for Polylactic Acid Degradable Sheet, represents a sustainable type of biodegradable packaging.
GWELL, a leading manufacturer in plastics processing equipment, proudly presents high barrier sheet co-extruders.
GWELL's PCL Sheet Extrusion Line is a specialized system designed for the efficient creation of medical orthopedics sheets.
The GWELL PC PMMA Optic Sheet Extrusion Line represents a cutting-edge manufacturing solution for clean display displays.
The machine is equipped with precision temperature engineering and automation features that ensure consistent retardant distributions.
GWELL is proud to present its state-of-the-art SGP Solar Film Extrusion Line, designed for structural architectural laminates.
GWELL PVE Film Extrusion Line: A Premier Solution for Solar Encapsulation under high outdoor temperatures.
The extrusion line is equipped with precision machinery and advanced cooling systems to ensure structural frame stability.
GWELL's Hydrogen Energy PPS (Polyphenylene Sulfide) Separator Extrusion Line is designed for clean-energy cell separation.
GWELL's EVA/POE Solar Film Extrusion Line is a cutting-edge manufacturing solution tailored for photovoltaic encapsulation.
Core Features of GWELL's EVA/POE Encapsulation Film Extrusion Line: High-Efficiency Extrusion with anti-shrinkage winding.
GWELL's EPE (Expanded Polyethylene) Solar Film Extrusion Line is engineered to produce multi-layer co-extruded PV encapsulation.
GWELL's BIPV PVB photovoltaic film production line is customized to integrate PVB glass sheets into construction modules.
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.
Collaborate with major research institutes and universities to design next-gen extrusion screws.
End-to-end support including pre-designing, on-site setup, calibration, and engineering training.
Operating industrial extrusion machinery requires strict adherence to international safety standards, electrical regulations, and localized processing environments.
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.
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.
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.
Validated safety, design patents, and manufacturing processes certified by international inspection organizations.








Stay updated with our newest machine launches, international exhibition updates, and polymer processing innovations.
Discover our latest co-extrusion technology designed to reduce power usage by 15% during continuous running.
A breakthrough in automotive interiors, replacing traditional PVC leather with recyclable POE elastomer layers.
Engineered for high precision, efficiency, and compatibility to cater to the automotive windshield market.
Delivering eco-friendly high-gloss sheets for luxury furniture panels and commercial interior decor.
Clear, technical answers to the most common questions regarding TPU invisible film extrusion manufacturing.





Contact Gwell’s engineering consulting desk today. Get customized configurations, chemical formulation recommendations, and factory floor blueprints.
Send inquiryWe design and manufacture specialized extrusion units across multiple sectors including automotive safety, construction, clean energy, and packaging.
Precision tapered cross-section PVB extrusion for automotive HUD (Heads-Up Display) laminated safety windshields.
Durable, high-load building panels designed to replace traditional plywood, lowering concrete casting costs.
Structural sandwich panels designed for automotive trunks, side linings, and lightweight logistic panels.
Modern interior wrapping solutions featuring scratch resistance, crystal clarity, and excellent embossing compatibility.
Specialized membrane lines serving alkaline water electrolysis and advanced fuel cell stacks.
Engineered specifically for solar encapsulation, delivering excellent water vapor barrier performance and long durability.
Industrial grade PVC calendered sheet line with precise thickness stability for protective barriers and electrical enclosures.
Geomembrane co-extrusion sheets built for heavy roof sealing, high-speed rail tunnels, and waste storage lining.