Explore our flagship continuous forming machines engineered specifically to produce high-gloss, durable gel-coated FRP panels used in truck body manufacturing — combining precision engineering with energy-efficient automation.




The commercial vehicle industry is undergoing a materials revolution. FRP gel-coated panels are rapidly replacing traditional steel and aluminum body panels, driven by measurable performance advantages and evolving regulatory demands.
FRP gel coat panels deliver tensile strength comparable to steel at up to 70% less weight, directly reducing truck gross vehicle weight (GVW), improving fuel efficiency, and enabling greater payload capacity under axle load regulations.
The integrated gel coat surface layer provides a chemically bonded, UV-stable barrier that resists road salt, diesel fuel, cleaning chemicals, and extreme temperature cycling — critical for long-haul and refrigerated transport applications.
Gel coating machines produce panels with a smooth, high-gloss surface that requires no secondary painting or priming, significantly reducing downstream finishing costs and enabling direct branding, wrapping, or fleet livery application.
FRP sheets can be produced in a wide range of thicknesses (1.5mm–8mm+), widths, colors, and surface textures — flat, embossed, or corrugated — accommodating diverse truck body panel geometries from side walls to roof panels and rear doors.
FRP truck body panels offer a service life exceeding 15–20 years with minimal maintenance. Their lower vehicle weight contributes to reduced CO₂ emissions throughout the truck's operational life, aligning with tightening fleet emissions standards globally.
Modern FRP gel coat sheet making machines operate as fully automated continuous production lines, achieving output speeds of 3–12 meters per minute with consistent quality control, enabling truck body manufacturers to scale production without proportional labor cost increases.
The global FRP composite panel market for transportation applications is experiencing sustained growth, driven by fleet modernization programs, e-commerce logistics expansion, and tightening vehicle emissions legislation.
The global FRP panels market for commercial vehicles is projected to exceed USD 4.2 billion by 2028, growing at a CAGR of approximately 6.8%. North America and Europe lead in adoption rates for dry freight van trailers, while Asia-Pacific markets — particularly China, India, and Southeast Asia — are experiencing the fastest growth in FRP truck body panel deployment, driven by rapid logistics infrastructure development and increasing awareness of total cost of ownership advantages over traditional metal body construction.
The explosive growth of last-mile and long-haul e-commerce logistics has created unprecedented demand for lightweight, durable delivery van and truck bodies. FRP gel coat panels are the material of choice for new fleet builds, offering the combination of light weight, durability, and brand-ready surface finish that logistics operators require. Major fleet operators in North America and Europe are specifying FRP body panels as standard in new vehicle procurement contracts.
The cold chain logistics sector represents one of the highest-value application segments for FRP gel coat truck body panels. The material's excellent thermal insulation properties, moisture resistance, and hygienic smooth surface make it the preferred choice for refrigerated van bodies and temperature-controlled trailers. Leading reefer body manufacturers across Europe, North America, and Australia have standardized on FRP composite panel construction, creating consistent demand for high-output FRP gel coat sheet making machines.
The transition to battery-electric commercial vehicles is creating a powerful new driver for FRP body panel adoption. EV trucks carry significant battery weight penalties, making body weight reduction critically important for maintaining competitive payload capacity and range. FRP gel coat panels — being 60–70% lighter than equivalent steel body panels — are becoming a near-mandatory specification for electric truck body construction, with major EV truck OEMs actively partnering with FRP body manufacturers globally.
China has emerged as the world's leading manufacturer and exporter of FRP gel coat sheet making machines, with Qinhuangdao, Guangdong, and Zhejiang provinces as key manufacturing hubs. Chinese FRP machine manufacturers have invested heavily in automation, precision engineering, and process control technology, delivering production lines that meet or exceed international quality standards at highly competitive price points. Machines exported from China are now operating in more than 60 countries across Asia, Africa, the Middle East, South America, and Eastern Europe.
Understanding the specific application contexts where FRP gel coat sheet machines deliver maximum value helps manufacturers select the right equipment configuration for their production requirements.
The largest single application segment. FRP gel coat flat panels are used for side walls, roof panels, rear door panels, and floor systems in dry freight van bodies. The gel coat surface provides excellent scuff resistance for cargo loading/unloading operations, while the FRP substrate resists denting and deformation from cargo impact — a persistent problem with aluminum body panels.
FRP gel coat sheets are laminated with polyurethane or polystyrene foam cores to create composite sandwich panels for refrigerated truck bodies. The gel coat surface provides a food-safe, cleanable interior lining, while the FRP skins provide structural rigidity. Production machines must deliver consistent resin impregnation and precise thickness control to ensure panel thermal performance specifications are met.
FRP corrugated and embossed sheets produced on specialized making machines are widely used for flatbed truck floor panels and curtainsider side panels. The embossed surface texture provides anti-slip properties for cargo safety, while the corrugated profile provides enhanced bending stiffness for spanning between cross-members without excessive thickness or weight.
Ambulances, fire apparatus, mobile command units, and military logistics vehicles all utilize FRP gel coat panels for body construction. The material's ability to be produced in custom colors, with integrated surface textures, and to specific mechanical performance grades makes it ideal for specialty vehicle applications where both performance and aesthetics are critical requirements.
FRP gel coat sheet machines produce large-format flat panels used in bus and coach body construction. The smooth gel coat surface accepts printed graphics and livery wraps without surface preparation, while the FRP substrate provides the impact resistance and dimensional stability required for public transport vehicle body applications operating in demanding urban environments.
FRP gel coat sheet making machines are increasingly deployed in Tier-1 and Tier-2 automotive supply chain facilities producing semi-finished FRP panel stock for truck body assembly plants. High-output continuous production lines with automated quality inspection systems enable just-in-time delivery of FRP panels to assembly lines, replacing manual lamination processes with consistent, repeatable machine-produced panels.
Understanding the continuous production process helps truck body manufacturers evaluate machine specifications and production line configurations for their specific panel requirements.
Gel Coat Film Application
Fiberglass Roving Feed & Chopping
Resin Impregnation & Wet-Out
Compression & Thickness Control
Curing Oven / UV Curing
Cooling & Surface Inspection
Automatic Cutting to Length
Modern FRP gel coat sheet making machines integrate all these process stages into a single continuous production line, typically spanning 20–60 meters in length depending on production speed and curing method. PLC-controlled automation manages resin-to-glass ratios, production speed, oven temperature profiles, and cutting dimensions with precision that manual lamination processes cannot match — delivering consistent panel quality essential for truck body manufacturing quality standards.
The FRP sheet making machine industry is experiencing rapid technological evolution, driven by demands from truck body manufacturers for higher quality, greater production flexibility, and improved sustainability credentials.
Next-generation FRP gel coat sheet machines incorporate real-time process monitoring with IoT connectivity, enabling remote diagnostics, predictive maintenance scheduling, and production data analytics. Automated vision inspection systems detect surface defects, thickness variations, and resin distribution anomalies in real time, enabling immediate process corrections and dramatically reducing scrap rates in truck body panel production.
Environmental regulations governing styrene emissions in FRP production facilities are tightening globally. Leading machine manufacturers are developing closed-process resin impregnation systems that dramatically reduce volatile organic compound (VOC) emissions. Additionally, machines are being engineered to process bio-based resins and recycled glass fiber feedstocks, enabling FRP truck body panel manufacturers to meet emerging sustainability certification requirements.
Advanced FRP gel coat sheet machines are being developed with multi-layer co-extrusion and lamination capabilities, enabling the production of hybrid FRP-foam sandwich panels in a single continuous pass. This capability is particularly valuable for refrigerated truck body panel production, eliminating the separate foam lamination step and significantly reducing panel production costs and lead times.
Servo-driven production line control systems are enabling FRP gel coat sheet machines to achieve production speeds of up to 12 meters per minute while maintaining tight thickness tolerances of ±0.1mm — a critical specification for truck body panel applications where dimensional consistency directly impacts body assembly quality and panel interchangeability in fleet repair operations.
Founded in 1999, Qinhuangdao DNUO Technology Development Co., Ltd. is a leading high-tech enterprise specializing in the R&D, manufacturing, sales and after-sales service of FRP (Fiberglass Reinforced Plastic) sheet making machines. Located in Qinhuangdao City, China, DNUO has been deeply engaged in the field of FRP sheets continuous forming technology for more than 25 years.
Adhering to the concept of "Technology Empowers Quality, Service Creates Value", DNUO strives to become a global benchmark in the FRP sheet making machine industry. Our machines are trusted by truck body manufacturers, construction panel producers, and composite material companies across 60+ countries and regions worldwide.
With a dedicated team of 200+ professionals and a state-of-the-art manufacturing facility in Qinhuangdao, DNUO delivers complete turnkey FRP production line solutions — from initial process engineering consultation through installation, commissioning, operator training, and ongoing technical support.
Explore Our FRP Gel Coat Machines →Our Qinhuangdao manufacturing facility houses advanced machining centers, precision assembly workshops, and comprehensive testing laboratories dedicated to producing world-class FRP gel coat sheet making machines.








From corrugated sheet lines to flat gel coat panel machines, embossed sheet systems, and gutter forming equipment — our comprehensive product range covers every FRP continuous forming application for truck body and construction panel manufacturing.















From embossed anti-slip panels to high-gloss flat gel coat sheets and color-customized FRP panels — our full product line covers every truck body panel manufacturing requirement with precision-engineered continuous forming solutions.








With 25+ years of specialized expertise in FRP continuous forming technology, DNUO delivers complete turnkey production line solutions for truck body panel manufacturers worldwide. From initial process consultation through machine delivery, installation, commissioning, and operator training — we support your success at every stage.
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