Sinowa is a continuous pu sandwich panel production line supplier from china, design and custom-made continuous pu sandwich panel production line, know more about continuous pu sandwich panel production line supplier, pls contact us, we will contact you as soon as possible!
In the modern construction and industrial material manufacturing industry, the demand for efficient, high-quality, and versatile production equipment continues to grow, especially for equipment that can produce composite materials with excellent performance. Continuous PU sandwich panel production lines have become a core equipment choice for many enterprises due to their ability to mass-produce polyurethane (PU) sandwich panels with superior insulation, structural stability, and durability. As a professional supplier focusing on continuous PU sandwich panel production lines, we are committed to providing comprehensive solutions that meet the diverse needs of different industries, integrating advanced technology, reliable performance, and flexible customization to help enterprises improve production efficiency, reduce operational costs, and enhance product competitiveness in the market. Our focus on technological innovation, product quality, and customer service has made us a trusted partner for enterprises in various fields that require high-standard PU sandwich panel production equipment.
Sinowa dedicated to the research and development of high-end and high-efficiency Sandwich Panel Production Line, Sinowa is comprehensively taking the leading position in terms of efficiency, automation control level, HMI, environment protection and energy consumption, with subversive designs made in some critical technological fields to procure exceptional cost performance and customer-friendly experience for the entire production line. The adoption of system integration technology and bus control technology accomplishes the full automatization of integrated and coordinated control of the entire production line with accessible remote interactive communication. Ranking the first-class level in the world, it is currently the PU Sandwich Panel Machine in the market taking a comprehensive lead in high performance.
Sinowa is a well-known manufacturer and technical service provider of high-end PU Sandwich Panel Machines and various high-performance Cold Roll Forming Machine in China. Our main products include polyurethane double-sided color steel Sandwich Panel Production Line, polyurethane and phenolic soft facing insulation panel production line and high-efficiency roll forming lines.
Sinowa is committed to the development and manufacturing of high-end and high-efficiency Sandwich Panel Lines. Our production lines are leading the way in efficiency, automatic control, human-computer interaction, environmental protection and energy consumption. Using system integration and bus control technology, it realizes the automatic integrated linkage control of the entire production line, and can achieve remote interactive communication, which has the world-class level and a comprehensive leading high-performance production line in the market.
For more than ten years, we have never deliver two same lines to our client, there are all the crystallization of continuous improvement, we have been trying to surpass ourselves, create better products to serve our customers, and also accumulate our brand value, become a unique Chinese enterprise, we are no longer synonymous with low price and mediocre quality.
Since 2014, we have established our Cold Forming Machine design and manufacturing department, started our R&D and production of high-end cold forming equipment. Base on our innovative and high-end and efficient product concepts,In just a few years, we have created our own impressive achievements in this field. Whether ordinary construction products of Roll Forming Machine, or precision steel pipe equipment, elevator profile equipment, automotive profile equipment, precision door and window profile equipment, we are the leader of Chinese equipment with high efficiency, high quality and beautiful appearance design.
For more than ten years, relying on our innovative manufacturing concept and excellence in quality, reliable and trustworthy service to customers, we cooperate with customers all over the world, exported products to Canada, South Korea, Israel, Australia, the Middle East and other more than 20 countries and regions. contributed to building energy conservation and low-carbon production and have won widespread praise.
Sinowa has invested outstanding efforts in both the Continuous Insulated PU Sandwich Panel Production Line and the Roll Forming Line, This is why our products are more efficiency, quality, automatic control technology, environmental protection, energy consumption indicators and the appearance and safety protection are comprehensively leading, Some subversive design changes in many major technical points,these major innovations make our products excellent in price/performance and user experience.
We always position our PU Sandwich Panel Line in a very high standard, strictly optimize every design for more progress. Our continuous innovation, continuous improvement of the technical design principles make us improved product updates and always pay attention to high efficiency, energy saving and stability, reduce customer worries, become their reliable business partners.
Sinowa Engineering Technology Research Center has always focused on technology research and development. we achieved a large number of scientific research results and unique patented process technology in related product research and development t every year, we continuously improve our products to have high precision and high stability in practical applications, and provide high quality for customers all over the world. Excellent technical personnel, continuous R&D investment and the technical concept of "continuous innovation and continuous improvement" are the strong guarantee for Sinowa to stand out from competitors.
Our focus is not on cost, we always pay attention to the quality of the product and how to do it better!
Production process control is a core part of implementing product planning and implementing quality control, which we establish A full range of production management processes and product logistics systems. We firmly believe that production without control and rules will only produce garbage products, so we pay more attention to first-class production control training while establishing a first-class production workshop, strictly follow the 5S management concept, establish systems and standards, ensure that our Sandwich Panel Machines are qualified throughout the process, achieve the technical goals of the company's products to achieve our brand value.
Sinowa has a very comprehensive quality control system, has a group of professional quality control personnel, familiar with almost all testing methods and standards in the field of machining, established a complete mechanical and chemical laboratory with which can fully control all quality links and ensure that all data are accurate, timely optional and available.
Relying on our good Sandwich Panel Machine quality and trustworthy service, our products are exported to more than a dozen countries in the world, and the service field continues to expand, winning more and more praise. Every customer will be our best friend!
PU sandwich panels are composite materials composed of a rigid polyurethane foam core sandwiched between two layers of structural surface materials, which can be metal plates (such as color steel plates, galvanized steel plates, aluminum plates), non-metallic plates, or other functional materials. These panels are widely used in construction, cold chain logistics, transportation, agricultural buildings, clean rooms, and sports facilities due to their excellent thermal insulation, sound insulation, fire resistance, waterproof performance, lightweight structure, and high mechanical strength. The continuous production mode of the PU sandwich panel production line is very suitable for large-scale mass production, which can effectively solve the problems of low efficiency, unstable product quality, and high labor intensity of traditional discontinuous production methods, making it an indispensable key equipment for modern enterprises to achieve large-scale, standardized, and automated production.
As a professional supplier of continuous PU sandwich panel production lines, we have rich experience in research and development, design, manufacturing, installation, and after-sales service, and have a deep understanding of the production needs and technical difficulties of different industries. Our continuous PU sandwich panel production lines are designed and manufactured in strict accordance with industrial production standards, integrating multiple functional modules such as uncoiling, surface pretreatment, forming, foaming, composite curing, cutting, stacking, and packaging, forming a highly automated and continuous production system. Each module is independently developed and optimized to ensure the smooth connection of the entire production process, minimize production interruptions, and improve overall production efficiency. The production line adopts advanced control technology, which can realize precise control of production parameters, ensuring that each batch of PU sandwich panels has consistent quality, stable performance, and meets the strict requirements of different application scenarios.
The uncoiling system is the starting link of the continuous PU sandwich panel production line, and its performance directly affects the stability of the subsequent production process. Our uncoiling system is equipped with a dual-station uncoiler, which can realize automatic roll changing during uninterrupted production, avoiding production stoppages caused by roll changing and greatly improving production efficiency. At the same time, the system is equipped with an automatic correction device, which can automatically adjust the position of the metal coil during the uncoiling process to ensure that the metal coil maintains a straight line when entering the subsequent processing links, preventing deviations that may affect the thickness and flatness of the final product. The uncoiling system also has a tension control device, which can adjust the tension according to the characteristics of different surface materials to avoid material damage or deformation caused by excessive or insufficient tension, ensuring the integrity of the surface material and laying a good foundation for the subsequent composite process.
The surface pretreatment unit is an important link to improve the bonding strength between the surface material and the PU core material. Before entering the forming and foaming links, the surface material needs to go through cleaning, passivation, drying, and other processes to remove oil stains, oxides, and other impurities on the surface, enhance the surface activity of the material, and ensure that the PU foam can firmly bond with the surface material. Our surface pretreatment unit adopts advanced cleaning technology, which can effectively remove surface impurities without damaging the surface of the material. The drying system uses a hot air circulation heating method, which can quickly dry the surface of the material, ensuring that the surface is free of moisture and improving the bonding effect. For different types of surface materials, we can adjust the parameters of the pretreatment unit to adapt to the characteristics of the material, ensuring the versatility and adaptability of the production line.
The forming system is responsible for processing the surface material into the required shape, which is an important part of determining the appearance and structural performance of the PU sandwich panel. Our forming system adopts a multi-roll continuous roll forming machine, which can process metal coils into various shapes such as corrugated, flat, or hidden nail type according to customer needs. The forming machine is equipped with a removable mold design, which can be quickly replaced according to different product specifications, reducing the time and cost of mold replacement and improving the flexibility of the production line. In addition, the forming system is equipped with a forming accuracy control system, which can monitor the forming process in real time, adjust the forming parameters in time, and ensure the consistency of the plate shape and dimensional accuracy. The forming accuracy can reach a high level, ensuring that the produced PU sandwich panels have a neat appearance and stable structural performance.
The foaming system is the core of the continuous PU sandwich panel production line, and its performance directly determines the quality of the PU core material. Our foaming system adopts a high-pressure foaming machine, which can precisely control the mixing ratio of isocyanate and polyol, with a mixing accuracy of ±1%, ensuring the uniformity and stability of the PU foam. The foaming machine is equipped with a high-precision metering pump set, which can accurately control the flow of raw materials, avoiding the waste of raw materials and ensuring the stability of the foaming effect. The temperature control system in the foaming zone can keep the raw materials at the optimal reaction temperature, promoting the full foaming and curing of the PU raw materials. The foaming process is carried out in a closed environment, which can effectively avoid the impact of external factors on the foaming effect, ensuring that the PU core material has uniform density, good thermal insulation performance, and high mechanical strength. The density of the PU core material can be adjusted between 30-60 kg/m³ according to customer needs, to meet the requirements of different application scenarios for the performance of the sandwich panel.
The composite system is responsible for combining the surface material and the PU core material into an integrated sandwich panel structure. Our composite system adopts a double-track composite machine, which can realize synchronous conveying of the upper and lower surface materials, and adjust the pressure according to the characteristics of the material to ensure that the surface material and the PU core material are firmly bonded. The composite machine is equipped with a temperature zoning control system, which can set different temperatures in different zones to promote the full foaming and curing of the PU raw materials and improve the bonding strength between the layers. The automatic thickness adjustment device in the composite system can automatically adjust the thickness of the panel according to the product specifications, ensuring that the thickness of each batch of products is consistent and meets the customer's requirements. The composite process is carried out continuously, which can effectively avoid the problems of uneven bonding and delamination that may occur in the traditional composite method, ensuring the structural integrity and stability of the PU sandwich panel.
The cutting system is the final link of the production line, which is responsible for cutting the continuously formed PU sandwich panel into finished products of the required length. Our cutting system adopts a flying saw cutting machine, which can realize online high-speed cutting without stopping the production line, ensuring the continuity of production and improving production efficiency. The cutting machine is equipped with an automatic fixed-length system, which can accurately cut according to the set length, with a cutting accuracy of up to ±1 mm, ensuring the dimensional accuracy of the finished product. The cutting edge of the flying saw cutting machine is smooth, avoiding burrs and damage to the panel, ensuring the appearance quality of the finished product. In addition, the cutting system is equipped with a waste recycling device, which can automatically collect the scrap materials generated during the cutting process, realizing the recycling of resources and reducing environmental pollution.
The stacking and packaging system is an important part of ensuring the quality of finished products during storage and transportation. Our stacking system adopts an automatic stacker crane, which can automatically stack the cut finished products according to the set quantity and specifications, reducing manual labor intensity and improving stacking efficiency. The stacker crane is equipped with a stable clamping device, which can avoid damage to the finished products during stacking. The packaging system adopts a film wrapping machine, which can wrap the stacked finished products with a protective film, playing a role in dustproof, moisture-proof, and anti-collision, ensuring that the finished products are not damaged during storage and transportation. The packaging system can also be equipped with an automatic marking device, which can mark product information such as specifications and production date on the packaging, facilitating product management and traceability.
We understand that different enterprises have different production needs, so we provide comprehensive customization services to meet the personalized needs of customers. The customization service covers various aspects such as board specifications, production capacity, automation level, and production line configuration. In terms of board specifications, we can customize PU sandwich panels with different thicknesses (30-200 mm), widths (1000-1200 mm, or customized according to needs), and lengths according to customer needs. In terms of production capacity, the production speed of the production line can be adjusted between 8-25 meters per minute, with a daily output of 5000-15000 square meters, which can be customized according to the customer's production scale. In terms of automation level, we can design and manufacture production lines with different automation levels such as manual operation, semi-automatic operation, and fully automatic operation according to the customer's production needs and budget, helping customers achieve the optimal balance between production efficiency and cost control. In terms of production line configuration, we can select and configure equipment such as foaming machines, mixing heads, laminating machines, trimming machines, and cutting machines according to the customer's production process requirements, ensuring that the production line can meet the specific production needs of the customer.
The customization process is carried out in strict accordance with scientific procedures to ensure that the customized production line can fully meet the customer's needs. First, we conduct in-depth communication with the customer to understand their specific production needs, product specifications, application scenarios, production scale, and budget, and conduct a comprehensive demand analysis. On the basis of demand analysis, our professional technical team designs a detailed production line scheme, including equipment selection, layout planning, process design, and parameter setting, and provides the customer with a detailed scheme explanation and demonstration. After the customer confirms the scheme, we sign a customization contract to clarify the production cycle, quality standards, and service commitments. Then, we carry out production and manufacturing in accordance with the agreed time nodes and quality requirements in the contract, strictly controlling each link of the production process to ensure the quality and performance of the production line. After the production is completed, our professional installation and debugging team goes to the customer's site to install and debug the production line, and provides necessary training and guidance for the customer's operators to ensure that the operators can proficiently operate the production line. Finally, after the customer inspects and accepts the production line and confirms that it meets the requirements, we complete the delivery and put it into use.
In addition to providing high-quality production line equipment and customization services, we also attach great importance to after-sales service, ensuring that customers can use the production line with peace of mind. Our after-sales service team is composed of professional and experienced technicians who can provide timely technical support and maintenance services for customers. We provide a comprehensive after-sales service guarantee, including regular maintenance, fault diagnosis, spare parts supply, and technical consultation. For any faults that occur during the use of the production line, our after-sales team will respond quickly and send technicians to the site for maintenance within the shortest time to minimize the impact of equipment faults on the customer's production. We also provide regular technical training for customers to help them improve the operation level of operators and the maintenance level of equipment, extending the service life of the production line and reducing the operational cost of the customer.
The continuous PU sandwich panel production lines we provide have been widely used in various industries, and have won unanimous praise from customers for their reliable performance, high production efficiency, and stable product quality. In the construction industry, these production lines are used to produce wall panels and roof panels for industrial buildings, commercial buildings, and residential buildings, providing excellent thermal insulation and sound insulation effects, and helping to achieve energy conservation and environmental protection goals. In the cold chain logistics industry, the PU sandwich panels produced by our production lines are used in refrigerated warehouses, cold rooms, and transport containers, which can effectively maintain low temperatures, reduce energy consumption, and ensure the quality of cold chain goods. In the transportation industry, these panels are used in the walls and roofs of trailers, truck bodies, and shipping containers, with the advantages of lightweight and high strength, reducing the weight of the vehicle and improving transportation efficiency. In addition, they are also widely used in agricultural buildings, clean rooms, sports facilities, and other fields, showing broad application prospects.
We have always adhered to the concept of "quality first, customer-oriented", and continuously promoted technological innovation and product upgrading to provide customers with more high-quality, efficient, and cost-effective continuous PU sandwich panel production line solutions. We pay attention to the research and development of new technologies and new processes, and cooperate with professional research institutions to continuously improve the performance and stability of the production line. At the same time, we strictly control the quality of raw materials and components, select high-quality raw materials and well-known components to ensure the reliability and durability of the production line. We also pay attention to the optimization of the production process, reduce production costs, and provide customers with products with high cost performance.
Choosing a professional continuous PU sandwich panel production line supplier is crucial for enterprises to improve production efficiency, ensure product quality, and enhance market competitiveness. As a trusted supplier, we have the strength and ability to provide customers with comprehensive solutions from equipment design, manufacturing, installation, debugging to after-sales service, helping customers solve production problems and achieve sustainable development. We will continue to uphold the spirit of innovation and dedication, continuously improve product quality and service level, and work together with customers to create a better future in the field of PU sandwich panel production.
« Continuous PU Sandwich Panel Production Line Supplier » Update Date: 2026/4/9
URL: https://m.sinowa.cn/blog/continuous-pu-sandwich-panel-production-line-supplier.html
A pu sandwich panel line stands as a highly efficient and automated production solution dedicated to manufacturing high-performance insulated panels, playing a vital role in modern construction and industrial engineering sectors. This integrated production system streamlines the entire manufacturing process, starting with the uncoiling and leveling of outer facing materials, which are carefully treated to ensure flat, smooth surfaces free of defects and suitable for subsequent bonding. Next comes the core production step: precise mixing and uniform distribution of polyurethane raw materials, where specialized equipment controls the ratio and flow rate strictly to guarantee consistent foam density and stable bonding performance between the core and facings. The pu sandwich panel machine features a controlled curing and forming system that maintains stable temperature and pressure conditions, allowing the polyurethane foam to fully expand, solidify and bond tightly with the upper and lower layers, forming a rigid, durable sandwich structure. Post-forming, the panels go through accurate cutting and finishing processes to meet diverse size specifications demanded by different projects. Designed for continuous operation, this pu sandwich panel production line boosts manufacturing efficiency remarkably while ensuring uniform product quality across batches, reducing manual errors and material waste effectively. The finished PU sandwich panels deliver outstanding thermal insulation, sound absorption and structural strength, making them widely applicable in building roofs, walls, cold storage facilities and industrial workshops, adapting to various environmental and functional needs with reliable performance and long service life.


























