Explore our premium machinery range engineered for high yield, precise mechanical properties, and compliance with the most stringent global standards.
Advanced medical-grade sheet extrusion lines incorporating cleanroom-compatible parameters, micro-thickness control, and optimized polymer processing for premium healthcare applications.
High-efficiency plastic sheet extrusion systems designed for GPPS, HIPS, and PMMA polymers, delivering superior optical transmittance and surface finish quality for global exporters.
State-of-the-art optical grade extrusion machinery that minimizes stress birefringence. Ideal for producing instrument panels, mobile displays, and premium protective layers.
Specialized solar film co-extrusion technology designed to manufacture high-barrier EPE encapsulation films, ensuring long-term solar cell durability and structural reliability.
Optimized for lightweight structural panels used in logistics boxes, trunk panels, and construction sectors, boasting continuous inline bonding technology.
Eco-friendly, food-grade transparent copolyester sheet extrusion machinery with highly efficient drying, crystallizing, and flat-die structures.
Advanced film orientation line that utilizes high-precision vertical stretching to optimize tensile strength, clarity, and shrinkage properties of functional polymer films.
The global benchmark for automotive PVB interlayer manufacturing. Capable of delivering micro-precision thickness variations and multi-layer co-extrusion for safety glass.
In modern automotive manufacturing, the laminated glass windshield is no longer just a physical barrier to wind and rain. Today, it is an active structural component, a projection screen for advanced head-up displays (HUDs), an acoustic filter, a shield against ultraviolet and infrared radiation, and a critical mount point for ADAS (Advanced Driver Assistance Systems) sensors and cameras. For international purchasers and Tier-1 glass manufacturers, procuring a custom automotive laminated glass production line is a capital investment that directly dictates competitive market standing, product yield rates, and international compliance margins.
As a leading automotive laminated glass production line exporter, GWELL has spent decades solving the complex thermodynamic and rheological challenges associated with poly-vinyl butyral (PVB) and ionoplast-based (SGP) interlayer film extrusion. Laminated safety glass requires bonding two or more layers of glass with an elastomeric interlayer. The precision of the extrusion line that manufactures this interlayer determines the optical and structural integrity of the final windshield assembly.
One of the primary differentiators of a high-tech automotive glass production line is its capability to produce wedge PVB film. Modern HUD systems require a wedge-shaped profile where the top of the interlayer film is slightly thicker than the bottom. This progressive deviation prevents double-image reflections (ghosting) on the windshield display, providing the driver with clear, legible telemetry data.
Our custom extrusion machinery incorporates precision multi-layer feedblocks and dynamic automatic die lip controls. These allow the line to transition smoothly between standard flat profiles and high-precision wedge shapes, maintaining tolerance levels down to the sub-micron scale. Furthermore, acoustic multi-layer co-extrusion integrates soundproofing barriers directly inside the PVB layer, lowering interior vehicle noise by up to 5-10 decibels.
The manufacturing process for PVB safety interlayers demands absolute control over environmental dust, moisture, and thermal gradients. Our integrated extrusion systems consist of several distinct high-performance modules:
Ensures consistent raw resin and plasticizer mixing ratios, keeping chemical compositions stable to guarantee uniform optical properties and structural adhesion.
Utilizes custom screw geometry to provide low-shear, low-temperature melting. This design prevents thermal degradation and maintains optimal polymer chain integrity.
Includes high-precision casting rollers with dynamic cooling jackets, creating the required micro-roughness surface pattern to assist in air evacuation during glass lamination.
Global procurement teams from Europe, North America, and Southeast Asia look for specific parameters when choosing an automotive laminated glass production line exporter. It is not just about the machinery price; it is about the Total Cost of Ownership (TCO) and operational efficiency:
China GWELL Machinery is a high-tech enterprise dedicating to the manufacture of plastic extrusion lines for Film, Sheet and Profile. Relying on the powerful technology and equipment of group and innovative spirit, GWELL commits to the development of high-tech products and international market. “Expertise creates customers’ values” has always been the company’s operating philosophy.
By using modern machinery, advanced metallurgy, and strict quality control, we build solutions that lower the operational barrier for manufacturing complex safety interlayers. Our global customers receive robust, high-output production configurations that run stably for years.
View More Machinery
Our engineered solutions span four main types of extrusion, customized to fit specific product parameters and manufacturing goals.
We leverage our geographical logistics network and engineering expertise to deliver robust, high-performance machinery across the globe.
We collaborate with top universities and global polymer research institutes to develop high-tech, responsive machinery control loops.
We provide end-to-end service plans, including installation support, online diagnostics, quick spare parts delivery, and plant layout design.
With three manufacturing bases, our output capacity exceeds 1,000 advanced extrusion lines every year, minimizing delivery lead times.
Our machinery has been exported to over 60 countries and regions. We support global glass manufacturers and compounders with localized expertise.
Our team consists of 500 skilled professionals, including more than 100 mechanical and electrical control engineers focused on advanced automation.
Purchasing large-scale extrusion machinery is a long-term investment that requires ongoing support. Our engineering services ensure that your production line operates reliably, complies with local regulations, and integrates smoothly into your supply chain.
Our equipment is built to meet international regulatory standards. We configure electrical cabinets, safety guards, and mechanical parts to match the specific rules of your region, including CE marking (Europe), UL/CSA certification (North America), and EAC standards (Eurasian Customs Union). By prioritizing compliance, we help you speed up the commissioning process and maintain a safe working environment.
Through our team of field service engineers and local service partners, GWELL offers end-to-end installation support. We assist with initial layout planning, coordinate setup, and lead dry/wet run testing. Additionally, we provide hands-on training to teach your operators how to manage extrusion parameters, perform recipe changes, and handle regular maintenance.
By manufacturing in China, we combine cost-efficient production with high-quality components from international suppliers (like Siemens PLCs, Omron temperature controls, and JC-Times extrusion dies). This hybrid sourcing model keeps our machinery cost-effective while ensuring critical parts are reliable and easy to source locally.
We build our machinery to meet rigorous quality standards, ensuring reliable operation worldwide.






Keep up with GWELL's recent product launches, manufacturing exhibitions, and technical innovations.
Learn more about GWELL's upcoming trade exhibitions, where we will showcase our latest high-efficiency film extrusion lines.
Detailing our process development for POE synthetic leathers, designed to meet the automotive industry's push for sustainable cabin interiors.
An in-depth review of GWELL's wedge-shaped PVB film extrusion technology, designed to optimize quality for automotive HUD windshield applications.
How our PETG film lines provide clean surface textures, excellent thermoforming characteristics, and eco-friendly performance.
Discussing the structural advantages, production speeds, and weight reduction potential of our PP honeycomb panel lines.
Highlighting our long-term customer partnerships and discussing operational feedback for biodegradable sheet production lines.
Our solar film lines deliver uniform crosslinking rates and excellent thermal stability, helping manufacturers meet strict photovoltaic requirements.
Get answers to common technical, commercial, and operational questions about our custom production machinery.
Our standard production configurations support film widths ranging from 2,500 mm to 3,600 mm. We can also engineer custom extrusion dies to fit wider configurations for panoramic roof designs.
We use a dynamic co-extrusion feedblock paired with a flexible die lip system. A closed-loop thickness gauge monitors the wedge profile in real-time, automatically adjusting thermal bolts to control the thickness gradient across the film's width.
PVB is highly temperature-sensitive and absorbs moisture easily. If the temperature fluctuates during extrusion, the resin can degrade, leading to yellowing, carbon specks, and surface bubbling. Our lines use multi-zone PID controllers to keep temperatures stable within ±1°C.
Yes, we can design multi-purpose lines with modular screw profiles and adaptable feedblock geometry, allowing you to run PVB, EVA, and SGP formulations on the same base extrusion machinery.
Browse our complete list of technical extrusion systems, engineered for packaging, solar energy, and architectural applications.
Designed to improve film tensile strength and optical properties by stretching the film lengthwise, helping reduce material thickness and cost.
High-speed cast film machinery for manufacturing CPP and CPE films, offering excellent sealability and moisture barriers for flexible packaging.
High-rigidity ionoplast interlayer extrusion lines designed for structural glazing, architectural safety installations, and high-impact security windows.
Integrated film production technology for building-integrated photovoltaics (BIPV), providing excellent thermal stability and long-term weathering performance.
Precision wedge extrusion machinery for HUD windshields. Features automatic die gap controls to ensure steady cross-sectional thickness variations.
High-end paint protection film (PPF) extrusion machinery designed to process optical-grade TPU, providing self-healing properties and UV resistance.
Heavy-duty extrusion setups designed for PVC, SPC, and WPC flooring and wall boards. Delivers consistent density and high throughput.
Advanced PVE cast film extrusion line configured for thin-gauge applications. Features automatic tension control and precision winding systems.
Our extrusion technology is trusted by leading manufacturers and raw material suppliers around the world.





Work with GWELL's design engineers to build an extrusion line tailored to your specific throughput requirements, resin chemistry, and workshop dimensions.
Send Inquiry Now